Perseverance: folding: frustration; Scratch: bending. Metaphor is strong-willed, no matter how many times you are frustrated, you will not waver.

Dead tree regeneration: dead trees come back to life. Metaphor gained vitality after setbacks.

Sound precedes reality: sound: momentum; Reality: strength. Metaphor is to crush the enemy's morale with momentum before going to war.

Perseverance: After numerous setbacks, never give in and never waver. Describe a strong will.

Rafters rot first: rafters: wood strips on the roof; Rot: rot. The rafters exposed outside the eaves rot first. Metaphor is that those who get ahead first suffer setbacks first.

It is a long road: unfortunately, it is not smooth. Fate is full of bad luck Refers to a bumpy life and repeated setbacks.

Complaining about others: Heaven: Destiny, Fate; You: Resentment, blame. It refers to complaining and blaming others blindly when encountering setbacks or problems.

Sharp edge: sharp edge: the tip of a knife or sword, which is a metaphor for the sharp part of something; Frustration: frustration; Shrink: stand back. Refers to a person's mental frustration and retreat.

One year bitten by a snake, three years afraid of straw rope: metaphor becomes timid after setbacks. Bitten by a snake once a year, shy twice.

Lessons: Knowledge or skills gained from many practices, and experience gained from mistakes or setbacks.

See through the world of mortals: the old one refers to a negative attitude towards life that sees through life and ignores the joys and sorrows of life and death. Now it also refers to the attitude of passive escape and inaction after setbacks.

Give up eating because of choking: I dare not eat any more because I choked during eating. A metaphor for stopping what you should do because of unexpected frustration.

Fame: fame: refers to the road of official career in the feudal era when the imperial examination was successful; Tread: encounter setbacks, frustrated and down. Refers to the scientific research is not smooth.

Warning of the following car: warning of the following car. A metaphor for previous failures or setbacks can be used as a reference or lesson for future work.

Cramped Longmen: Like a fish looking up at the Longmen, it can't get up. In the imperial examination era, it was a metaphor for people to try their best, and later it was also a metaphor for life frustration and embarrassment.

Gone forever: folding: depression. Metaphor is strong-willed, no matter how many times you are frustrated, you will not waver.

The gap is a metaphor for difficulties and setbacks. Suffer a setback and gain a knowledge point.

Start a new stove: refers to starting from scratch after things have suffered setbacks.

Stop vibrating: vibrating: cheer up. Once you fall, you can't get up again. Metaphor is that you can't get up when you encounter setbacks.

Fall into a trough: trip: trip; Jane: Cheer up. Once you fall, you can't get up again. Metaphor is that you can't get up when you encounter setbacks.

Hard success: advantages: sharp, extended to smooth and successful; Seal: not sharp, extension is frustration. Success or failure is at stake. Refers to the possible situation or result of doing something.

The old metaphor is that when a person is frustrated, everyone takes the opportunity to attack him.

Dead branches return to spring: dead trees are resurrected. Metaphor gained vitality after setbacks.

Nose swelling: nose swelling. Describe a serious facial injury. It is also a metaphor for being hit hard and frustrated.

Broken jar and broken fall: a metaphor for letting things drift without correction after shortcomings, mistakes or setbacks, but with the intention of developing in a worse direction.

Vertical wing scales: violence: falling off. Birds fold their wings and fall, and long snake scales fall. Metaphor means that people lose power or suffer setbacks.

Fall into a trough: a metaphor for not getting up after a setback. Use "collapse"

Against the wind: against the wind. Metaphor is suffering from difficulties or setbacks.

Perseverance: don't change your integrity after repeated setbacks.

Stay in the green hills, don't worry about burning firewood: it means that as long as the foundation or foundation is still there, a temporary loss or setback will not hurt the overall situation.

To be devastated: a metaphor for not being able to pull yourself together after a setback. Use "collapse"

Give up eating when you see it: a metaphor for stopping what you should do when you encounter unexpected setbacks.

Smooth: it means very smooth, without setbacks.

Choke food: I dare not eat any more, because I choke when I eat it. A metaphor for stopping what you should do because of unexpected frustration.

Duplicate number: duplicate number: re; Flag and drum: the flag and drum used in ancient wars. After failure or frustration, reorganize and reorganize your strength and prepare to do it again.

Twists and turns: describe bends. It also describes things that are not going well, blocked or frustrated.

Pull out Tibet: pull out; Hey: verbally attack with two hands; Destroy Tibet: contusion. Refers to the destruction of setbacks.

Life and enmity: enmity: enemy. Fate makes you often deal with enemies. Describe bad fate and often encounter setbacks.

After reality, the first voice: reality: strength; Voice: momentum. Metaphor is to crush the enemy's morale with momentum before going to war.

Ring of weeping hall: weeping hall: under the eaves of the hall. Sitting under the eaves of a church, falling roof tiles may hurt people. Metaphor is in danger. Often refers to a lesson from danger or frustration.

Fall: I fell and couldn't get up. Metaphor can't cheer up after being hit or frustrated.

Unbreakable: unyielding after numerous setbacks. Describe a strong will.

Inspirational quotes and aphorisms about setbacks

Disaster is like a knife. The handle can serve us, and the blade will cut your hand. lowell

The closer the target is, the more difficult it is. I hope everyone can continue to follow the established goals like stars and complete their journey calmly and calmly.

Frustration will make people grow and regress. In the face of setbacks, we should overcome them and face them optimistically, rather than choose to escape.

Good times and good luck are what people want; Good luck in adversity surprises people. bacon

When God gives people a difficulty, he also gives people a kind of wisdom. Yu Li

In life, personal likes and dislikes are not important. Because what you like or hate may not always follow your heart. The most important thing for people to get along with is tolerance. Everyone has a mood, because his heart has been beating. Learning to let go of some personal feelings is another kind of happiness. Everyone has emotions. Learning to understand and try to be tolerant is a kind of free and easy. The root of all troubles is that you are too obsessed with yourself.

If you don't cherish it when you use it, it will be damaged; If you are not careful, you will fail. -Proverbs

The glory of life lies not in never failing, but in being able to rise again and again. -Napoleon

Adversity and hardship are the highest institutions of learning to hone personality. -Socrates

I pray, please don't lead him to a calm and comfortable road, but put him under the test and fierceness of difficulties and challenges. Let him learn to stand up in the storm and let him learn to have compassion for those losers.

Disaster is the first journey of truth. byron

Everything is difficult until it becomes easy. -To Fuller.

Adversity can test a person's character, and extraordinary circumstances can show great integrity. -Shakespeare

The growth of any new thing has to go through difficulties and twists. In the socialist cause, if you want to make great efforts without going through difficulties and twists and turns, it will always be smooth sailing and easy to succeed. This idea is just an illusion. —— ***

Whoever can overcome difficulties can turn them into opportunities. Churchill

In the cold winter, there is heavy snow, and only that beauty still stands proudly. Another setback is attacking it-Snow White. It did not fall, but once again fought against setbacks to the end! Finally, the snow stopped, and in the background of everything, Mei became more charming. In the bones, tenacity overcomes setbacks.

Suffering is like a dark cloud. From a distance, it is dark, but when you are there, it is only gray. Li Xite

If we admit defeat too easily, we may not realize that we are very close to being right. sirkarl raimund popper

It often takes a lifetime to know how to live, which is the difficulty of life.

Don't leave until tomorrow what you can do today. Procrastination is a thief of time. Get him! Dickens

Frustration not only hurts you, but also teaches you the experience of life and lays the foundation for your success. After setbacks, joy is still joy, and sadness always keeps this glimmer of hope. Let the waves beat the rocks hard, because only in this way can the most beautiful waves be splashed.

Setbacks are actually not malicious, but natural disasters, which will overcome the sky; If it is a man-made disaster, reflect on yourself. A person's life can't be peaceful. Because of this, we must face setbacks and have setbacks. Our life is also wonderful because of setbacks!

Everything left by the pain, please savor it! Once the suffering is over, it becomes sweet. -Goethe

Adversity can test a person's character, and extraordinary circumstances can show great integrity. -Shakespeare

It is not difficult to endure the disaster, but it is not easy to endure it in the end. Seneca

If you want to succeed, you must first experience setbacks, because every truth in science has been obtained through countless setbacks and failures. Frustration breeds success. The premise is a firm belief and a spirit of courage to take responsibility. Meet these conditions, setbacks will be trampled under your feet, and tomorrow will be the time when the rain clears.

Even if you know half the truth through your own efforts, it is much better than parroting all the truth. -romain rolland

He who rashly tells the truth in small matters cannot be trusted in big matters. -Einstein

Just because someone doesn't love you the way you want them to, doesn't mean they don't love you with all their heart.

No wise man will deny the exercise value of pain and sadness. -Huxley

Achievement can only represent the past, not forever. Life will inevitably encounter setbacks. It is not terrible to encounter setbacks. The key is your attitude towards setbacks and whether you have learned any lessons. As long as you have a good learning attitude, you will succeed in your studies.

Don't give in to disasters, but face them bravely. Virgil

God has put many obstacles in the way just to strengthen your will. Tagore

Small misfortunes in life can help us through great misfortunes. -Isenberg

You may delay, but time will not. Scott

Frustration is the foundation of life; Frustration is a stumbling block in life; Frustration is the only way to success.

People's will is not always omnipotent, because laughter and tears will follow the * * that produces these things, and the most sincere people can't control it.

People have to go through some hardships to become talents. -Finnish proverb

Difficulty and torture is a hammer hitting a blank, trying to knock out fragile iron filings and forge sharp steel.

Everyone has their own beauty, which makes us different; Sometimes even you will ignore it, but people who really love you will find it. I refused so much ambiguity, just for your uncertain future. Who is not hypocritical, who is not fickle, who is not who. Why do you take some people and things so seriously?

The whole life is a matter of time. Only a damn dreamer will put himself in nothingness instead of grasping the fleeting time in front of him.

All happiness is not without troubles, and all adversity is not without hope. bacon

The right road is not necessarily a flat straight road. It is inevitable that there will be some twists and turns, rugged obstacles, and it is inevitable that you will even go astray if you want to go around some bends.

Even when staring at the earth, the eyes of the superior still maintain the ability to stare at the sun.

The road of life is so long and bumpy, just like a pebble on the road of life, we may trip over it at any time. When you encounter setbacks, what choices will you make? Frustration is like a minor crisis, with both dangers and opportunities. Pessimists only see "danger", and when they fall, they will never get up again; Optimists strive to find new opportunities in times of crisis and are good at grasping "opportunities" in crises. As long as there is a glimmer of hope, they must face the challenge bravely.

The knife is grinding on the stone, the knife is getting faster and faster, and Shi Yue is getting thinner and thinner. -Mao Dun

Noble people always endure sadness silently. Schiller

Difficulties and setbacks are good and bad. Difficulties will force people to think of ways, and tough environment can cultivate talents. -Xu Teli

Without deafness, Beethoven would not have achieved such dazzling achievements; Without failure, Edison could not benefit mankind; Without poverty, * * * wouldn't have set such lofty ambitions. Yes, the road of life is always bumpy, and no one can escape setbacks; Frustration is a compulsory course.

There is no such thing as failure for indomitable people. Bismarck

Don't expect trouble or worry about things that may never happen. Face yourself, what is there to chase, what is there to cheat? When inertia strikes, say to yourself: try harder and stick to it. Down-to-earth, not mixed. I learned to change slowly myself. Remember: Happiness is not the only thing in life.

A person must have some rebellious experiences, otherwise he will be unconsciously depressed, afraid that he will fall and others will not scold him. —— Guo Moruo

I don't feel sorry for my poor life at all. What makes me sad is that the days are too short and pass too fast. Madame Curie

Everyone will change, some people choose to change the environment, and some people choose to be changed by the environment. Many times when you can't change, I have to choose and find the power to make myself happy. The greatest fear in life comes from the darkness we haven't found in our hearts, but the soul tells us that as long as there is a heartbeat, we must have courage.

Life will have ups and downs! Frustration is the forerunner of success, and not afraid of setbacks is more valuable than eager for success. The road of life is always accompanied by setbacks. However, frustration is a stepping stone to the strong and a first-class ladder to success.

Suffering is a test, a temper, a bite to bite the bullet and dig out the stain on one's mind.

The dreams of youth are often imperfect, and the road of life is always tortuous. Bloom happiness from success, feel happiness from setbacks, appreciate happiness from sadness, and let happiness grow with us.

Nature trapped people in darkness, forcing people to yearn for the light forever. -Goethe

Perhaps it was fate that let us meet him at an unexpected time and place because of a little accident.

Fire tries gold, adversity tries people. Sinniga

There is no way to go because of the winding water flow in the mountains, and a mountain village suddenly appears in the willow-green flower bay. -Lu you

The most important thing in life is to have a lofty goal and accomplish it with talent and perseverance.

The great cause is rooted in unremitting and continuous work, with full spirit, and does not avoid hardships.

Suffering, for the weak, is the grave of death, and for the strong, it is the soil for growing desire.

If you cherish your feather too much and don't hurt it a little, then you will lose two wings and never fly in the air again.

Suffering, for the weak, is the grave of death, and for the strong, it is the soil for growing desire. -Rousseau

When setbacks come, we need strong will and positive attitude. Because a strong-willed person, even in adversity, can achieve excellent results under difficult conditions. If we have a strong will, then when setbacks come, we will not feel sudden fear, but calmly deal with them.

You should cultivate confidence in yourself and your own strength, which is obtained by overcoming obstacles, cultivating will and exercising will.

Life is like a tortuous and stony road. Because of twists and turns, it can make people feel helpless; Because of the rocky, many people fell down because of setbacks. In the face of setbacks, I have been sad.

When difficulties come, some people soar with them, but others can't afford to fall to the ground because of it.

Frustration is a bottomless pit for incompetent people, but it is a stepping stone to success for those who dare to face setbacks. Life is like a flood, and it is difficult to stir up beautiful waves without touching the islands and reefs. When setbacks happen unexpectedly, only those who dare to face setbacks and ride on them can reach the other side of success.

Pain is the deepest thing in our nature. Through the combination of pain and patience, it is real and sacred. Harlan

The road to honor is not paved with flowers. -Dante

No matter what you do, you will succeed naturally. No matter what difficulties you have, you should try your best to do it. -Manage shadows

Frustration and success are like two ends of a pendulum, and no one can live without them. In the journey of life, there are both the joy of success and the test of failure. In the face of setbacks, some people are at a loss, and even give up their lives easily to avoid difficulties and setbacks. Others face the challenges of life, persevere and move forward bravely.

I never knew what depression was. If I fail, I will come back. The future is created by myself. -Xu Teli

A person's experience is acquired through hard work, and only the tempering of years can make it mature. -Shakespeare

If I always fail, I will never give up. Frustration is a part of life! Life without setbacks is hell, and success can only be achieved through setbacks!

Failure is also what I need. To me, it is as valuable as success. Edison

Our sincere suggestion is that everyone should stick to the path he has blazed for himself, and not be intimidated by authority, bound by fashion views and confused by fashion.

Suffering is the teacher of life. Through suffering, we move towards happiness. -Beethoven

People's best work is often done in adversity. Mental stress, even physical pain, can be a spiritual stimulant.

Suffering is a stepping stone to genius. -Balzac

Lost, may be disappointed; But if you don't try, then you are doomed to fail. beverly sills

One of the great advantages of outstanding people is their perseverance in unfavorable and difficult encounters. -Beethoven

Difficulties are extremely serious teachers. Burke

All persistent efforts will pay off sooner or later. Angel

No sowing, no harvest; Without hard work, there is no success; There is no glory without suffering; Without setbacks, there is no glory. Payne's failure is what I need, and it is as valuable to me as success.

Confucius grew up in adversity, but Zhang Haidi didn't give in to fate. They are all our role models. Failure and frustration are common things in people's lives. Only by not giving in to setbacks and bravely forging ahead can we create a brilliant life! We should regard setbacks as tempering ourselves. As the saying goes, "The peak of the sword comes from tempering, and the fragrance of plum blossoms comes from bitter cold"!

I think the road ahead is very smooth. Why would someone not go because of a little obstacle? -Lu Xun

Adversity has scientific value. A good scholar will not give up this opportunity to learn. Emerson

A man without principles and will is like a ship without rudder and compass. He will change direction at any time as the wind changes.

Not every disaster is a curse; Early adversity is often a blessing. Overcoming the difficulties not only taught me a lesson, but also inspired our future struggle.

Short-term setbacks are better than short-term success. Pythagoras

Failure is also what I need. To me, it is as valuable as success. Only when I know all the bad methods can I know what the good methods are.

The biggest reason for a person's failure is that he never dares to fully believe in his own ability; I even thought I would fail. Franklin

If life is an endless sea, then setbacks are waves that suddenly turn up. If life is blue sky, then frustration is floating white clouds.

The harder the environment, the more vigorous the spirit. —— Guo Moruo

In growing up, setbacks are very important. Without setbacks, life will lose its diversity.

Nothing is difficult for those who are willing to try. —— ***

A person's life cannot always be smooth sailing, and it is inevitable that he will encounter various setbacks and misfortunes. When setbacks and misfortunes hit us, don't be sad, don't be sad. We should respond with a positive and correct attitude, analyze the reasons and find ways to solve the problem. Don't immerse yourself in the sad mood when setbacks come all day and give up on yourself.

Frustration is pressure, motivation, sobering agent and inspiration! Yes, life needs setbacks.

Miracles happen when you are unlucky. bacon

A wife can't tie her husband to her side, which is a failure to be a woman. precious jade

Every unfavorable mutation carries the same beneficial seeds. Emerson

Mood, that is, an emotional state, with a good mood, you have confidence, and then you have youth and health. Have a yearning for the future life, full of expectations, let us have a good mood, because life is lucky and happy.

The difficulty is to look at talent, not just harvest. —— Ouyang Xiu

If the sky is to become a great task for the Sri Lankan people, they must first suffer their minds, their bones and muscles, their bodies, their bodies and their actions. Therefore, they must be patient and benefit from their incompetence. -Mencius

The road to success may not be smooth sailing, but ups and downs can temper your will and make you stronger! We should be grateful for setbacks, which make our life more colorful!

When failure is inevitable, failure is also great. whitman

Difficulties contain victory, and failure breeds success. -Proverbs

What is failure? Failure is the first step to a better place. Phillips

Life is so short, if flowers are a kind of tearful happiness, then falling flowers should be a kind of melancholy touch. If we know that spring is gone and spring is coming, why cling to those vain waiting? Now that we know that the time has passed and we can't go back, why should we seize the small and incomplete shadow in our memory and live up to the good times now and in the future?

Children grow up after falling and then falling. -Soviet Union

In any case, the deeper the pain, the greater the happiness that comes with it.

Difficulties are largely caused by laziness. -Stop Johnson.

Unfortunately, not forever. You should bear it patiently or summon up courage to drive it away. -romain rolland

The reason why a person fails lies in his own shortcomings, which has nothing to do with the environment. -Mao Folu

Suffering is the teacher of life. -Balzac

Only difficulties can make people show their true colors. -epiktetos

When you learn to be strong, don't forget the injuries that make you strong. Worry is torturing yourself with your own mistakes; Regret is destroying yourself with helpless past events; Worry is to scare yourself with virtual risks; Loneliness is to imprison yourself in a self-made prison; Inferiority is to destroy yourself with the strengths of others.

Successful people always find their own reasons when they encounter setbacks; Losers always resent others when they encounter setbacks.

The turning point of life, happiness or pain, willing or unwilling, you have to smile. Life has its ups and downs, so we should treat setbacks in this way. I hope that turning one by one will interweave a road of wisdom for you and me.

Those who don't learn from their failures have a long way to success. -Napoleon

Dissatisfaction with oneself is one of the fundamental characteristics of any truly talented person. -Chekhov

If life is a blue sky, then setbacks are white clouds in the sky, making the sky more beautiful; If life is a long night, then setbacks are the stars in the night, and the stars dotted with it are brilliant; If life is an empty flower stand, then setbacks are beautiful flowers, making life more gorgeous.

Everything is difficult at the beginning, so is every science. Marx

Smart people will never sit down and lament for failure. They must look optimistically for ways to save failure. -Shakespeare

Even if you know half the truth through your own efforts, it is better than parroting the whole truth.

Pain is the deepest thing in our nature. Through the combination of pain and patience, it is real and sacred.

Don't be complacent because of good luck, and don't be depressed because of bad luck. A truly strong person is good at finding shadows from prosperity, finding light from adversity, and always calibrating his goals. Ibsen

People. People can endure misfortune or overcome it, because people have amazing potential. As long as they make up their minds to play it, they will certainly be able to tide over the difficulties.

The seeds fell not in fertile soil, but in ruins. The seeds with vitality will never sigh pessimistically, because only with resistance can they be tempered.

A person who has been hit hard in life does not mean the end of the world, and life will never be complete.

Steel is tempered by fire and rapid cooling. So we can get hard and not be afraid of anything. Our generation has also been tempered by struggles and terrible tests, and has learned not to give in to life.

Smile like a frown in the face of setbacks. At least smiling can help you build up confidence and face setbacks in a better mood.

Failure is the ultimate test of perseverance. Bismarck

There is a feeling that when I am insomnia, I always miss it; There is a fate that is always recognized as eternal after waking up from a dream; There is an eye that always sees attachment when breaking up; There is a feeling that you will always be lost after leaving.

Not knowing is not terrible or harmful. No one can know everything. Terrible and harmful, pretending to know but not knowing.

The government's fear of people's words and fate comes from tempering. -Zeng Guofan

The difficulty is to bully the weak and fear the hard. The more you fear it, the more it threatens you. The less you look at it, the more respectful it is to you.

If you are addicted to love for women and can't dial it yourself, it's your own loss. -Turgenev

In the journey of life, there are not only flowers and applause, but also setbacks and failures. In the face of setbacks and failures, some people dare to rally and fight again; Some people will lose confidence and courage.

I wonder how many people in the world have missed life because of laziness. Work hard and be positive. It is difficult for a person to do things, talk and think.

God has put many obstacles in the way just to strengthen your will.

Although frustration is a stumbling block, if it fails, it will hinder your future and make you stagnate. Therefore, we should actively find ways to overcome setbacks and let setbacks become a stepping stone, so that our lives can be unimpeded.

Speaking of setbacks sharpening people's will, this is an old topic that I don't know how many times I have said. Every time I say that I should face setbacks bravely, I may do it all my life. I read a story about making tea today, but I can't help but want to talk about this topic again. Still the same sentence, "How can I see a rainbow without experiencing wind and rain?" People grow up through tempering.

Countless wounds are the best things that life gives you, because every wound marks a step forward for you.

On the road to success, there will inevitably be some setbacks, what I want to say is; Don't think that success deserves joy. In fact, failure is also beautiful. Although failure comes, we will unconsciously fall into depression and pain, lose confidence and even think about giving up. But we often forget to reflect on ourselves. Can tears turn failure into success? I can't. In the face of failure, all we can do is stand up and try again.

Sima Qian encountered setbacks, not bowing his head, but making progress and writing history. Grignard met with setbacks, and he didn't want to study hard. Frustration gave him motivation and helped him succeed. Kōnosuke Matsushita suffered setbacks, and he made unremitting efforts to strive for self-improvement. Frustration gave him a chance to succeed. Frustration, like fog, entangles the mountain of life. Instead of hiding the mountain, it adds a bit of mystery.

Frustration is a test for people. Many people are afraid of getting hurt and flinch in the face of setbacks. Many people are afraid of losing something and flinch in the face of setbacks, but there are still more people who are brave and fearless in the face of setbacks. Behind most successful people, you know how many setbacks they have experienced, but they still straighten up, overcome setbacks and achieve success. In a word, frustration is a fortune.

Whether in good times or bad times, life is an endless struggle with all kinds of difficulties, a battle with too many people.

Genius inevitably has obstacles, because obstacles will create genius. -romain rolland

Adversity is the road to truth. byron

When facing setbacks, smile and tell yourself that there is still hope. "One day, I will ride the wind and waves, sail straight up and cross the deep sea", then you will better solve the difficulties and move from frustration to success that makes you extremely happy.

Life is like a long road, with smooth roads, rugged roads, beautiful flowers and thorns. On this section of the road, you fell down, don't expect others to help you up; If you lose it, don't expect others to help you get it back; Only by constantly making progress in setbacks can we make life better.

We think that people who change their views in order to meet the wind direction are terrible, despicable and faithless.

Time will rust the brightest knife and break the strongest crossbow. Scott

When you meet a deep forest, you can turn it into a flat land; when you meet a wilderness, you can plant trees; when you meet a desert, you can dig Jing Quan.

Life is like an ocean, only a strong-willed person can reach the other side. Marx

Youth should be like dandelion in spring. Even if it is weak, it has no ability to grow flying wings and will be blown away by the wind. Even if you fall in a place you don't know, you will break into an uncultivated land.

There is a solution to any problem, and nothing is unimaginable. Edison

Difficulty in action; Difficult to ask questions; Doubt hypothesis; Hypothetical experiment; Experimental student evaluation; Judgment produces action, and it evolves into infinity.

The failure of the experiment may be the beginning of discovery. -Pavlov