1. How to prove that the universe has not existed forever because the night is dark.

2. I noticed that even people who claim that everything is doomed and there is no way to change it will look before they cross the road.

3. Physical and mental disabilities cannot occur at the same time.

4. If we have reached the end, the human spirit will wither and die. But I think we will never stop: if we don't get deeper, we will get more complex. We will always be at the center of an expanding horizon of possibility.

5. If you are seriously ill or disabled, it may not be your fault, but there is no benefit in complaining about society or expecting mercy from others. One should have a positive attitude and make the most of the situation.

6. A physical theory is a mathematical model.

7. When Einstein said "God does not play dice", he was wrong. Given the hints black holes give us, God not only throws the sieve, but often throws the dice into places we can't see to confuse us.

8. Understanding or not understanding is a kind of gain.

9. The light we see from very distant galaxies was emitted millions of years ago. In the case of the farthest objects we see, the light was emitted 8 billion years ago. issued. So when we look at the universe, we are looking at its past.

10. Each equation will cut book sales in half.

11. You can love thoroughly in less than a minute. What we love is what love gives us. It fills our eyes so inadvertently, and love comes before you can calm down.

12. If an astronaut hits a singularity, his time will end.

13. Today we still want to know, why are we here? Where do we come from? Humanity's deepest desire to know is sufficient justification for our continued exploration.

14. Hong Kong can build a micro black hole to process the hundreds of tons of garbage generated every day to avoid environmental pollution.

15. When I was 21, my expectations became zero. From then on, everything became a perk.

16. It’s so wonderful to be able to love each other and get along well. There are thousands of people in the world, but they bumped into each other like lightning. They bumped into each other just around the corner of the alley. Fasten it. We met each other as soon as we stood up and fell in love with each other after having a cup of coffee together.

17. Eternity is a long time, especially for the end.

18. In an unchanging universe, the end of time is something that must be given by existence outside the universe; the beginning of the universe has no physical necessity.

19. Part of the reason may be that people tend to believe in eternal truth, and also because although people will grow old, sick and die, the concept that the universe must be immortal and unchanging can give people comfort.

20. I have relatives and friends who love me and me; by the way, I also have a grateful heart.

21. No matter how bad the fate is, people should always do something. Where there is life, there is hope.

22. I don’t think we can continue to exist on earth for 1,000 years unless we escape this fragile planet. We need to look up at the stars instead of always looking at our feet.

23. No one had ever suggested that the universe was expanding or contracting before the 20th century, which is an interesting reflection of the mindset of the time. It is generally thought that the universe has either existed in an unchanging state for an infinite period of time, or that it was created in the finite past in a state more or less as we see it today. This may be partly due to people's tendency to believe in eternal truths, but also to the comforting notion that the universe must be immortal and unchanging, even though we are subject to birth, old age, sickness and death.

24. If only ultraviolet rays were left in the night sky. Most of the stars disappeared, leaving only a magnificent picture of the birth and destruction of stars.

25. The universe has multiple histories, and each history is determined by tiny hard fruits.

26. Where does the universe come from and where is it going?

27. People often illustrate Einstein's general theory of relativity by using a weight on a flexible rubber pad to represent a star or an entire galaxy, and then drawing some tables to represent time and space. The greater the mass of matter, the deeper the depression in space and time, and the harder it is for anything that passes nearby to escape the fate of falling on this massive object.

28. Did the universe have a beginning? What, if anything, happened before this?

29. I find that American and Scandinavian accents work especially well with women.

30. Even if I am locked in a nut shell, I still think that I am the king of the infinite universe.

31. We are running out of space, and the only way is to go to other worlds. Now it's time to explore other solar systems! Spreading it out may be the only way we can save ourselves. I believe that humans must leave the earth.

32. Although you are physically disabled, your thoughts cannot stop, and others will not stop for you.

33. A journey full of hope is better than arriving at the destination.

34. If love hurts you, don’t be sad or impatient, it will continue to hurt you. Love is the most tortured, but we still look up to it, get close to it, and even appreciate it like a pilgrim. For the best and worst times it has given us.

35. A good theory must meet the following two requirements: First, the theory must accurately describe a large number of observations-these observations are made based on a model that contains only a few optional elements. Secondly, this theory can make clear predictions about the results of future observations.

36. We can go back to the past, but we cannot change history.

37. If life has no fun, it will be a tragedy.

38. God hates naked singularities!

39. People's deepest desire to know is sufficient reason for our continuous exploration, and our goal is precisely to provide a complete description of the universe in which we live.

40. The enemy of knowledge is not ignorance, but the illusion of having mastered knowledge.

41. Time travel is possible, but don’t go back to the past.

42. It is generally believed that the universe has either existed in an unchanging state for an infinite time, or was created in a finite past in a state more or less as we see it today. .

43. I believe that the next century will be a century of complexity.

44. When you face the possibility of premature death, you will realize that life is precious and you have a lot of things to do.

45. At that time, the world can be understood and the complex events around us can be reduced to simple principles and illuminated without resorting to mystical or theological explanations.

46. When most people firmly believe in an essentially static universe, the question of whether it had a beginning is really a metaphysical or theological question.

47. The second law of thermodynamics, in any closed system, disorder or entropy always increases with time. In other words, a form of Murphy's Law: Things always tend to get worse.

48. One can still imagine that God created the universe at the moment of the Big Bang, or even at a later moment in a way that makes it look like the Big Bang occurred, but It makes no sense to imagine the creation of the universe before the Big Bang. The Big Bang universe did not exclude the Creator, it merely placed restrictions on when He could engage in this work.

49. If life has no fun, it will be a tragedy.

50. In fact, we have redefined the task of science as discovering laws that enable us to predict events within the limits set by the uncertainty principle.

51. I don’t think we can continue to exist on earth for another year unless we escape from this fragile planet. We need to look up at the stars instead of always looking at our feet.

52. Going out may be the only way to save ourselves. I believe humans need to leave the earth.

53. My fingers can still move, and my brain can still think; I have ideals that I will pursue throughout my life, and I have relatives and friends who love me; by the way, I also have a grateful heart. .

54. The earth is too small for us, the global population is growing at an alarming rate, and we are in danger of self-destruction.

55. Remember to look up at the stars and don’t look down at your feet. No matter how hard life gets, stay curious. You will always find your own path and your own success.

56. The universe is completely self-sufficient and is not affected by anything external to it. It is neither created nor destroyed. It just exists.

57. We pursue discovery, not just in science, but to stimulate creativity in all fields.

58. It took human beings thousands of years to move from the obscurity of mythology to the clarity of reason.

59. I noticed that those fatalists also look left and right when crossing the road.

60. As advanced creatures in the universe, human beings are not satisfied with their own survival and the continuity of their race, but also explore the meaning of existence and life from generation to generation.

61. No matter how difficult life is, don’t let yourself feel resentful. This is very important because you cannot laugh at yourself and life.

62. Psychology is an effective model for the human body, and free will can be embedded in it. From then on, poetry inhabits time, emotions soothe people's hearts, and the flowers of art bloom.

63. God creates both geniuses and fools. This does not depend on talent, but is completely the result of different levels of personal effort.

64. The matter in the universe is composed of positive energy.

65. Since the beginning of civilization, people have been unwilling to regard events as unrelated and incomprehensible. They are eager to understand the fundamental order of the world. Today we still wonder why we are here? Where do we come from? Man's deepest desire to know is sufficient reason for our continued exploration, and our goal is precisely to provide a complete description of the universe in which we live.

66. People have the freedom to choose to end their lives, but that would be a major mistake. No matter how bad the fate is, people should always do something. Where there is life, there is hope.

67. We create history through observation, rather than history creating us.

68. I've noticed that even those who claim that everything is predestined and that we can't change it, look both ways before crossing the street.

69. Life is unfair. No matter what your situation is, you can only do your best.

70. We find ourselves in a confusing world. We need to understand the meaning of everything we see around us and ask: What is the nature of the universe? What is our place in it, and where did the universe and us come from? Why is the universe like this?

71. ** and scientists are the two best professions.

72. If a person is physically disabled, he must not be disabled mentally.

73. Scientists and prostitutes both make money doing what they like.

74. Which came first, the chicken or the egg?

75. If a person has no dreams, it is tantamount to death.

76. Humanity’s deepest desire to seek knowledge is enough to justify the continuous exploration we engage in.

77. It is undoubtedly a tragedy that life loses its joy.

78. Theories are always changed to explain new observations; they are never digested or simplified enough for ordinary people to understand.

79. My goal is very simple, which is to understand the universe as a whole - why it is like this and why it exists.

80. The location of events and the distance between them are different for people on the streetcar and on the tracks, so there is no reason to think that one person's position is superior to another's.

81. The birth of a complete theory will be the ultimate victory of human reason, because then we will know the spirit of God.

82. Common sense tells us that without external intervention, things will always tend to increase their disorder.

83. I once thought that when we fell in love with someone, we would become brave warriors and no injuries would hurt. It turns out that we are all just fragile dolls. If we are pinched casually, our hearts will be shattered. We will fly down like fine snow and swing into the deep sea in the distance. But the body still lives numbly until the next time it meets love.

84. No one had ever suggested that the universe was expanding or contracting before the 20th century, which interestingly reflected the prevailing mindset at the time.

85. Most of us don’t care about those big issues, but we are occasionally confused: Why are we here? Where do we come from? Traditionally, these are philosophical questions, but philosophy is dead.

86. I would like to share my excitement about recent discoveries in black holes and cosmology with Chinese readers.

87. Science is increasingly sufficient to answer questions that have always belonged to the realm of religion in the past. The scientific statement is complete and theology is not necessary.

88. All structures in the universe originate from the smallest fluctuations allowed by the uncertainty principle of quantum mechanics.

89. Even if I am locked in a nutshell, I still think I am the king of infinite space.

90. Regarding the disputes about space-time physics, I dare not bet with my colleagues because I am afraid that they are future people running through wormholes and they know the standard answers very clearly.

91. The usual explanation for why we never see broken cups gather together, leave the ground and jump back onto the table is that this violates the second law of thermodynamics which states that there is disorder in any closed system. Degree or entropy always increases with time. In other words, it's a form of Murphy's Law: Things tend to get worse: a full cup on the table is a highly ordered state, while a broken cup on the floor is a disordered state. One could easily go from a cup on the table earlier to a broken cup on the ground later, rather than the other way around.