The sky is high enough for birds to fly, and the sea is wide enough for fish to swim. The three emperors and five emperors all called him prime minister, and princes from all walks of life came to congratulate him. I want to climb high and wave my hand, and all the heroes will rise up everywhere. In ancient times, there were beacon fires to play with the princes, but now there are beauties who are a little bit red. You said that everything is unpredictable, and it is difficult for young people to understand the feeling of sorrow. I kill immortals in the free world, and play in the world freely.

The sea is wide enough for fish to leap, and the sky is high enough for birds to fly. As long as you have enough power, you will be able to fly in all directions.

The sky is high, birds can fly, and the sea is wide, fish can swim. In this fallen world, I just want to live more freely!

The sky is high, birds can fly, and the sea is wide, fish can swim. . Unexpectedly, the wind was strong and the waves were high and turbulent. I want to be free, so I shed my chrysalis and emerge as a butterfly. There is no way to know how painful it is, the path to Phoenix Nirvana.

The sea is wide enough for fish to jump, and the sky is high enough for birds to fly, but people are trapped on the earth and don’t know where to go.

A new Internet era is coming. This will be an era where sharing is encouraged and platforms rise. The era of relying on a single product to win users has passed, and the traditional thinking that channels are king is no longer popular. In the new era, if we still carry these baggage, it will be like installing a tractor motor on the Boeing 787, which will make it unable to fly even if it wants to. How to build a platform for more partners to create together and for users to choose freely is a question that practitioners in the new era of the Internet need to think about. This new era no longer believes in the traditional jungle law of the jungle, but rather advocates the law of the sky. The so-called sky is high and birds can fly, everyone is under the same sky, but the dimensions of existence do not completely overlap. Sparrows have a sparrow's sky, and eagles also have an eagle's sky. What determines whether you can succeed and how successful you are is your ability to discover your needs and proactively create a sharing platform. ---- Ma Huateng "Ma Huateng: The Dawn of the New Era of the Internet"

The sea is vast for fish to leap, and the sky is high for birds to fly ---- Folk Proverb

Here, China is useful An old saying of "Let the tiger return to the mountain"; if a man is a tiger, being locked in a cage will only lose his wild nature, and even lose his authenticity. Only when the tiger is allowed to return to the mountain, will the tiger leap and gallop and be full of vitality. If the metaphor of the tiger is too barbaric, then there is another saying: women make water and men make fish. Only when the fish are released into the water can the fish swim freely. The sea is wide enough for fish to leap, and the sky is high enough for birds to fly. With a certain amount of freedom and support, men can live happier. ----Chen Baocai "Learn to love at the age of 20, gain happiness at the age of 30" (life inspirational article)

People walking on the road under the night must be lonely and empty, like a walking zombie. , they let go of their thoughts and merged into the boundless black night sky, constructing people, things or dreams unknown to anyone. How free their thoughts are at this moment! The sky is high enough for birds to fly, and during the day, they are like nightingales in a cage. The red of the setting sun interweaves with the black of the night and falls on us, so lonely it seems! ah !

Look at your miserable and frustrated look, with tears flowing down the Yellow River, and hatred crushing the three peaks of the Huashan Mountain! Although nine out of ten things in life are unsatisfactory, there are always one or two things that are satisfactory, so think more about the one or two things that are satisfactory, and you can still be optimistic! Crying and shedding tears is the catharsis of cowardice, laughing and weeping is a declaration of bravery, and weeping in silence, what does it count? My husband is depressed and bored, but his ambition is still suppressed. Look at you, you are like a willow with new leaves, which bends at the occasional spring breeze. You are a majestic Taoist ancestor. How could you not know that the emperor will always perform his duties? The sky is high and the birds can fly, but the wild people are not aware of the injustice. At that time, people did not know the lofty cloud trees, and they waited until the lofty clouds were reached before the Tao was high. Just treat your worries and frustrations as dust on your face and dirt on your clothes. Just brush them off at any time and keep your body and mind clean. If you are not strong, no one will help you to be brave! When flowers bloom, they will always fall, and when the flowers fall, cars will run over you. Your failure is nothing compared to my glorious records that are just a little bit worse time and time again.

The ocean is vast and the fish are jumping, but the sharks are the ones who are full. The sky is high enough for birds to fly, and those who spread their wings are eagles and vultures. The sea is vast and the sky is high, allowing birds to fly, there is an annual sports meeting. The fierce anger rushed to the sky, trying to shine as brightly as the sun and the moon. The battlefield is cut off for 30,000 miles, and the smell of gunpowder smoke is thick and difficult to eliminate. Looking back at the opponent, Yuan Lai's gold medal is not expensive! Play at the sports meeting!

The sky is high enough for birds to fly, and the sea is wide enough for fish to jump. Every bird has the freedom it desires to fly. We are all lives that yearn for freedom, so why should we take away the freedom that others regard as life?

Thousands of summers, millions of individuals , with the same emotions, say goodbye together and move forward together. I only wish that from now on, the sky is high and birds can fly, and the sea is broad and fish can leap. ----"Running Like a Dog"

The earth is vast and the sky is high, and a bird can fly. How can it fly if it falls into the water? But God loves to play games with me. If there is no space for me to fly, it does not mean that a bird can fly. It is difficult to be perfect in the world. You can only rely on yourself to take a breath. It is impossible to take off and spread your arms----Huang Weiwen's "There is a Bird" A collection of inspirational quotes from famous people_Famous quotes

A collection of inspirational quotes from famous people 1 , Don't wait for opportunities, but create opportunities. 2. No one is so rich that he does not need help from others, and no one is so poor that he cannot help others in some way. 3. Anyone who sincerely tries to help others will always help themselves. 4. Positive people believe that only by pushing themselves can they push the world, and by pushing themselves can they push the world. 5. A person's greatest bankruptcy is despair, and his greatest asset is hope.

6. Those who do not respect themselves will be humiliated. Those who do not take care of themselves will bring disaster. Those who are not complacent will benefit. He who is not self-sufficient is knowledgeable. 7. If you accumulate money and leave it to your descendants, your descendants may not be able to keep it; if you accumulate books and leave it to your descendants, your descendants may not be able to read it. It is better to accumulate yin virtues in the dark. This is the treasured teaching passed down from generation to generation. 8. Accumulating virtue as an industry is better than a beautiful house and good land. 9. Being able to give love is blessing, being able to eliminate worries is wisdom. 10. When encountering good times, stay calm; when encountering adversity, stay calm. 11. Right and wrong exist every day. If you don’t listen, there will be nothing. 12. Stimulating the five senses is not a real enjoyment. Inner peace is the place to start. 13. In life, the more we take, the less we take, and the more we give up, the more we give up. What should we do? Take its abundance when you are young, take its truth when you are in your prime, and take its essence when you are old. When you are young, you can’t have it without giving it up; when you are in your prime, you can’t have it without it; when you are old, you can’t have it without giving it up. 14. If you show your talents again, you should use your remaining courage to chase the poor bandits; if you show your great ambitions, you should not pretend to be a scholar. 15. A year of hard work will pay off for a lifetime. 16. The eagle strikes the sky, the wind is strong, and the waves fly like spring. 17. Discouragement leads to disappointment, disappointment leads to wavering, and wavering leads to failure. 18. Ideals are the source of strength, the cradle of wisdom, the battle flag of charge, and the sharp sword that cuts through thorns. 20. Those who have ambitions will find all kinds of solutions, while those without ambitions will only find countless difficulties. 21. The heart is the home of God; the spirit is the foundation of knowledge; the thinking is the wonderful use of spiritual consciousness. 22. If you don’t think, you will be confused; if you don’t ask, you won’t get; if you don’t ask, you won’t know. 23. Learning will make you always invincible. 24. When a person starts fighting from his own heart, he is a valuable person. 25. When a person truly wakes up, he gives up pursuing the wealth in the external world and begins to pursue the real wealth in his inner world. 26. When a small thought turns into a behavior, it can become a habit; thus forming a character, and the character determines the success or failure of your life. 27. The first youth is given by God; (famous quote) The second youth is achieved by your own efforts. 28. The wind and waves are always extremely rough for the most capable pilot. 29. Winter has arrived, can spring be far behind? --Shelley 30. Be poor and strong, and never fall into the clouds. - Wang Bo 31. No matter who loses his patience, he loses his soul. -- Bacon 32. Once you choose the path of life, you must bravely go to the end and never look back. --Zola 33. Heaven is moving vigorously, and a gentleman strives to constantly strive for self-improvement. 34. Only strong people have divine will, and only those who fight can win. -- Goethe 35. No matter big or small, as long as you think it can be done well, you should do it firmly. This is your character. -- Goethe 36. Don't rest on your laurels because of luck, and don't get depressed because of bad luck. A truly strong person is good at finding shadows in good times, finding light in adversity, and always calibrating his goals. --Ibsen 37. A noble heart should bear disasters rather than avoid them, because to withstand disasters is to practice before going to bed, after waking up, in the square, in the car, and let success be yours. Get used to it! 38. When a person is young, who has not imagined? Who hasn’t fantasized about it? Wishful thinking is a sign of youth. But, my young friends, please remember that people have to grow up. The world is so vast and the world is so beautiful. What awaits you is not only a pair of fantasy wings, but also a pair of down-to-earth feet. -- Emerson 39. Only those who have experienced hellish torture can have the power to conquer heaven. Only fingers that have shed blood can play the swan song of the world. 40. Live with love and you will make yourself happy! Are radiation protection glasses useful? Work with love and you will make many people happy! 41. In real life, everyone has dreams, desires success, and wants to find a shortcut to success. In fact, the shortcut is by your side, that is, be diligent in accumulation, down-to-earth, and proactive. 42. Life is empty and dull only in the eyes of dull people. 43. Society is like a ship, and everyone must be prepared to steer the ship. 44. If your mind is not as big as the sea, how can you have a career like the sea? 45. The value of life is not measured by time, but by depth. 46. ??Life is not a kind of enjoyment, but a very heavy work. 47. A person’s life may burn or decay. I cannot decay. I am willing to burn! 48. If you are poor, you will want to change; if you are poor, you will want to be diligent! There is no mountain higher than man. This famous saying is very right, I like it very much! 49. The fastest and surest way to conquer fear and build self-confidence is to do what you are afraid of until you gain successful experience. 50. What is failure? Nothing, just one step closer to success; what is success? It means that after all the roads leading to failure, there is only one road left, and that is the road to success. 51. Let us replace the worries beforehand with thinking and planning beforehand! 52. No matter how long the road is, you can walk it step by step. No matter how short the road is, you can't reach it without taking steps. 53. Any qualitative change in performance comes from the accumulation of quantitative changes. 54. When you feel sad and painful, it is best to learn something.

Learning will make you always invincible. 55. Among the easiest things in the world, procrastination is the least effortful. 56. The reason why people can do it is because they believe they can. 57. The power developed by a person with conviction is greater than that of a person with only interest. 58. Behind every hard work, there must be double rewards. 59. The establishment of great achievements in life is not about knowing, but about being able to do it. 60. Any restriction starts from your own heart. 61. Desire can enhance enthusiasm, and perseverance can smooth mountains. 62. A person who can see things from other people's perspectives and understand other people's mental activities will never have to worry about his own future. 63. If greetings are just a hello, how is it different from a monkey’s call? In fact, the right greeting must clearly show your care for him in just one sentence. 64. A few more minutes of preparation last night will save a few hours of trouble today. 65. Doing the right thing is more important than doing the right thing. Famous quotes about failure_Famous quotes

Famous quotes about failure 1. As a leader, the best way to temper yourself is to fail. Nothing trains a person more than experiencing failure. Kensef (Founder and CEO of Blueflycom) 2. China has always had few heroes who failed, few who resisted with tenacity, few warriors who dared to fight alone, and few who dared to caress and cry for traitors; when there is a sign of victory, They gathered one after another and fled when they saw signs of defeat. Lu Xun 3. For one person to discover fruitful truth, it requires millions of people to destroy their lives through failed explorations and tragic mistakes. Mendeleev 4. A shy failure is nobler than a proud success. Kahlil Gibran 5. If you don't cherish it when you use it, it will be damaged; if you don't do it carefully, you will fail. Proverb 6. It is a good thing to have confidence, but it is not overconfidence to be too absolutely confident, otherwise there will be a big failure waiting. 7. Of all the failures, failing to say something witty is the biggest failure, and saying something sloppily is an even worse failure. Randall 8. The most beautiful people in this world are women, and the ones who are most likely to become ugly are also women. Beauty is a woman's privilege, ugliness is a woman's failure. Colonel Ikeda 9. Apart from psychological failure, there is actually no failure in this world. As long as it is not a complete defeat, you will definitely win. Henry Austin 10. Truth likes criticism, because after criticism, truth will win; fallacy is afraid of criticism, because after criticism, fallacy will fail. Diderot 11. The reason for a person's failure lies in the shortcomings of his own character and has nothing to do with the environment. Maofulu 12. A wife who cannot keep her husband close to her is a failure as a woman. Qiong Yao 13. Sacrifice for a great cause can never be regarded as failure. Joe Byron 14. A great attempt, even if it fails, is magnificent. Vincent Lombardi 15. I have never known what depression is. Come back after failure. The future is created by your own efforts. Xu Teli 16. My most important discoveries were inspired by failure. David 17. I have been working hard for more than fifty years and am committed to the development of science. One word can describe the characteristics of my most difficult work, and that word is failure. Thomson 18. Failure is the final test of tenacity. Bismarck 19. Failure is also what I need. It is as valuable to me as success. Edison 20. Failure comes from ignoring details, and success starts from paying attention to small things. "Training for Success and Failure" 21. Breaking promises means failure. Zola 22. Failure nineteen times and success on the twentieth time is called persistence. Anonymous 23. What is failure? Failure is the first step to a better place. Phillips 24. Failure in practice mainly occurs because we do not know the reasons. It is in this case that the two desires of people: the desire for knowledge and the desire for power are truly combined. Bacon 25. Experimental failure may be the beginning of discovery. Pavlov 26. The most annoying thing in the world is the reason for the loser. Li Ao 27. Failure is the price you should pay for success. Factory Training of Taiwan Changhongyi Group 28. If you fail, you may be disappointed; but if you don’t try, you are doomed to fail. Beverly Sears 29. Failure is the mother of success. Phillips 30. If you don’t work hard, you will only fail and feel sorry for yourself. Thomas 31. What we care about is not whether you fail, but whether you can have no complaints about failure. Lincoln 32. Our dashed hopes, aborted talents, failed careers, and thwarted ambitions often accumulate and turn into jealousy. Balzac 33. I think a mouse is hopeless and only knows how to drill a hole. If the hole cannot be drilled, everything will fail. Chaucer 34. Those who love life are never losers. Feder 35. If my nation fails in this experiment, I will not cry for it. It is they who asked for this ending. Hitler 36. If we admit defeat too readily, we may not realize that we are very close to being right. Karl Popper 37. Learn from failure and gain experience from success.

Proverb 38. Failure is painful, but what is worse is never trying. Theodore Roosevelt 39. The failure of many races is the failure in the last few steps. It is no longer easy to run the road you should run, but it is certainly even more difficult to run to the end. Socrates 40. A failure only proves that our determination to succeed is still strong enough. Bowie 41. A successful businessman is a tiger, and a failed businessman is a wolf. Which one do you deal with? Feng Jicai 42. If no one provides us with lessons from failure, we will accomplish nothing. The trajectory of our thinking is to choose between right and wrong, and the frequency of wrong choices is equal to that of right choices. Lewis Thomas 43. If there is no possibility of getting a lot of treasure, if all you get is failure, then a smart man will never start a war and get himself into it. "Five Volumes" 44. People's strengths or weaknesses in willpower and fighting spirit are often one of the important reasons for their success or failure. Hardy 45. No one is perfect, and no one is indispensable. Everyone has this or that weakness. This weakness will ease his grief when he fails. La Bruere 46. Everyone attributes a good life to their own talents. If we fail because of our own mistakes, we curse Fortune. Nothing is more common than this: good things are attributed to oneself, bad things are attributed to fate. It is always us who are right, and fate who is wrong. La Fontaine 47. Wise people will never sit down and lament over failure, they must be optimistic about finding ways to save it. Shakespeare 48. Destiny is just the boring masturbation of losers and the ridicule of cowards. People's future can only be determined by their own will and efforts. Mao Dun 49. There are many kinds of fallacies, but there is only one right. This is why it is easy to fail, hard to miss, and hard to miss. Aristotle 50. You said it is good to win, right? I tell you it's okay to lose, and those who defeat have the same spirit as those who win. Whitman 51. Millions of people have failed because they did not do things thoroughly; they often stop doing it just one step away from success. Shakespeare 52. Without unwavering confidence, any action will fail. Hua Owen 53. A theory that has not been tested in practice, no matter how beautiful it is, will lose its weight and will not be recognized by others; practice that is not based on a weighty theory will definitely fail. Mendeleev 54. Failure in youth is more satisfying than victory in adulthood, and success in old age. Disraeli 55. If people want to succeed in their work, that is, to obtain the expected results, they must make their thoughts consistent with the laws of the objective outside world. If they are inconsistent, they will fail in practice. Mao Zedong 56. For those who have self-confidence and do not mind temporary success or failure, there is no such thing as failure! There is no such thing as failure for those who have an indomitable will! There is no such thing as failure for a person who lets go of others but still persists; who still presses forward while others retreat! For those who stand up immediately every time they fall, and jump higher like a ball every time they fall, there is no such thing as failure! Hugo 57. For the perseverant, there is no such thing as failure. Bismarck 58. Thank God for not making me a clever craftsman. Some of my most important discoveries were inspired by failure. David 59. Proud people will fail. Heywood 60. Pride and failure are linked, humility and progress are friends; laziness and ignorance are close friends, and struggle and victory shake hands. Motto 61. If the Jin Dynasty fails, bribe your own ears and make friends with your own ears. (Ming) Wang Fuzhi 62. Managers should have the courage to try and fail and strive to improve; they should not be afraid of risks and stagnate. (UK) Graham. Clark 63. Running a business is the simultaneous operation of many links. One thought can determine the entire failure. Konosuke Matsushita 64. The history of science, in a sense, is the history of illusions and failures, the history of great fools working clumsily and inefficiently. Terao Torahiko 65. When you are successful, everyone is a friend. But only mother is her companion in times of failure. Zheng Zhenduo 66. The level of achievement is beyond our control. Half of it depends on manpower and half of it depends on talent. But as long as you are strong, you are not afraid of failure, setbacks, or blows, whether it is personnel, life, or technology. , an academic blow. Fu Lei 67. Unless you stop trying, you will never be a loser. (US) Mike Ditaka 68. He who never wins rarely fails, and he who never climbs seldom falls. Whittier 69. Learn less from victory and more from failure. (Japanese) Proverb 70. Error cannot withstand failure, but truth is not afraid of failure. Tagore 71. Most people are conservative and do not easily believe in new things, but can tolerate many failures in reality. Carlisle 72. Difficulties contain victory, and failures breed success. Proverb 73. Laziness is punished not only by his own failure, but also by the success of others. Milrenard 74. Shameless at the end. Even if he is slow, gallops without stopping, even if he falls behind, even if he fails, he can definitely achieve the goal he aims for.

Lu Xun 75, ItisOKtofaid. (It’s okay to fail) A famous saying spread in Silicon Valley 76. A hundred thoughts will lose but one forgetfulness, a hundred tricks will lose to one sincerity. "Ren Yun" by Qing Gu Tuhe 77. Being unmasked is a kind of failure, but taking off the mask yourself is a kind of victory. Hugo 78. Whether success or failure, it all depends on yourself. Longfellow 79. Don't despise the advice of a loser. He is the authority on what not to do. (European) Proverb 80. It is rare to succeed without many failures. Proverb 81. The glory of life lies not in never failing, but in being able to rise again and again. Napoleon 82. The greatest glory in life lies not in never failing, but in being able to rise again and again. Goldsmith Famous Quotes about Mathematics_Famous Quotes

Famous Quotes about Mathematics

1. Pure mathematics is the magician’s real magic wand. Novales

2. Some beautiful theorems in mathematics have this characteristic: they are easily summarized from facts, but the proofs are extremely hidden. Gauss

3. Mathematics governs the universe. Pythagoras

4. Mathematics is a tool of knowledge and the source of other knowledge tools. All sciences that deal with order and measurement are related to mathematics. Descartes

5. Mathematics is a rational spirit that enables human thinking to be used to the most perfect degree. Klein

6. Mathematics is a culture that will continue to evolve. Wilder

7. Mathematics is a unique art. Halmos

8. Mathematics is the highest form of all knowledge. Plato

9. Mathematics is the study of quantitative relationships and spatial forms in real life. Engels

10. Mathematics is the theory of studying abstract structures. Bourbaki School

11. Mathematics is an infinite science. Hermann Weyl

12. Mathematics is God’s symbol for describing nature. Hegel

13. Mathematics is the most brilliant pearl in the crown of human wisdom. Court

14. Mathematics is the highest achievement in human thinking. Misra

15. Mathematics is the king of science. Gauss

16. Mathematics is a variety of proof techniques. Wittgenstein

17. Mathematics is symbols plus logic. Russell

18. Mathematics is the key to opening the door to science. Bacon

19. Mathematicians are essentially obsessed. Without obsession, there would be no mathematics. Nuvales

20. Mathematical methods penetrate and dominate all theoretical branches of natural science. It has increasingly become the primary measure of scientific achievement. Von Neumann

21. The driving force for mathematical inventions and creations is not reasoning, but the use of imagination. Demo

22. Mathematics has made an important contribution to the observation of nature. It explains the simple primitive elements in the regular structure, and the celestial bodies are built with these primitive elements. Kepler

23. The essence of mathematics lies in its freedom. Kang Muer

24. Mathematics, the queen of science; number theory, the queen of mathematics. CF Gauss

25. Numbers rule the universe. Pythagoras

26. It is less intuitive when the number is lacking in shape, and it is difficult to understand when the shape is missing. He also said that there are two necessary processes to lay a good foundation in mathematics: first learn and accept from thin to thick; Then digest and refine from thick to thin. Hua Luogeng

27. Number theory is the oldest branch of human knowledge, but some of its most profound secrets are closely connected with its most ordinary truths. Smith

28. God is an arithmetician Jacobi

29. God created the integers, and all other numbers are man-made. L Kronecker

30. If anyone does not know that the diagonals of a square on the same side are incommensurable quantities, then he does not deserve the title of human being. Plato

31. History makes people wise, poetry makes people elegant, mathematics makes people noble, natural philosophy makes people deep, morality makes people steady, and ethics and rhetoric make people good at arguing. Bacon

32. Give me five coefficients and I will draw an elephant; give me six coefficients and the elephant will wag its tail. AL Cauchy

33. Non-mathematical induction plays an indispensable role in the study of mathematics. Schur (I.

34. Every new group is discovered to be mathematical in form, because we can have no other guidance. Darwin

35. The first is Mathematics, the second is mathematics, the third is mathematics. Roentgen

36. When mathematicians derive equations and formulas, they are as fulfilled as seeing statues, beautiful scenery, hearing beautiful tunes, etc. Happiness. Kopnin

37. In its modern development stage, the science of pure mathematics can be said to be the most original creation of the human spirit. Huaidehai

38. Genius? Please look at my elbow.

Ramanujan

39. Questions are the heart of mathematics.

40. We can expect that with the development of education and entertainment, more people will appreciate music and paintings. However, the number of people who can truly appreciate mathematics is very small. Bales

41. I have heard people say that I am an opponent of mathematics and an enemy of mathematics, but no one respects mathematics more than me because it has accomplished achievements that I have never achieved. ——Goth

42. I always try my best to get rid of the heavy and monotonous calculations. Napier

43. Infinite! No other question has touched the human heart so deeply. D Hilbert

44. New mathematical methods and concepts are often more important than solving mathematical problems themselves. Hua Luogeng

45. When learning mathematics, you will never work too hard. Karagiodori

46. When learning mathematics, you should do more exercises and think while doing them. Know what it is and then know why it is. Su Buqing

47. Only with the vigorous development of mathematics can a country show the strength of its national foundation. The development of mathematics is closely related to the highest good and the prosperity of the country. Napoleon

48. A mathematician without some poetic spirit can never become a complete mathematician. Weierstrass

49. The book of pursuing that goal with the best time of my life has been written. It doesn't matter whether it is read by modern people or by future generations. It may take a hundred years before there is a reader. Kepler

50. The vastness of the universe, the tinyness of particles, the speed of rockets, the ingenuity of chemical engineering, the changes in the earth, the mysteries of living things, and the complexity of daily life, mathematics is used everywhere. Hua Luogeng

51. In the field of mathematics, the art of asking questions is more important than the art of answering questions. ——Cantor

52. In mathematics, it is important to distinguish what is important and what is not important, and to know what to choose. Guangzhong Pingyou

53. What makes me most happy in mathematics are those things that can be proved. Russell

54. Philosophers also need to learn mathematics, because they must jump out of the vast sea of ??ever-changing phenomena and grasp the real essence. and because it is the shortest way to the transition of the soul to truth and eternity. Plato

55. It is a reliable rule that when the author of a mathematical or philosophical work writes in vague and esoteric terms, he is talking nonsense. AN Whitehead

56. The simple composition of integers has been the source of new life for mathematics for centuries. GD Birkhoff

57. As long as a branch of science can raise a large number of questions, it is full of vitality, while the lack of questions heralds the termination or decline of independent development.