Failure is the mother of success. -Proverbs

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

Life is full of thorns, and the only way we can think of is to cross them quickly. ? -Voltaire

Suffering is a stepping stone to genius, the wealth of the able and the abyss of the weak. ? -Balzac

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. Xia Yan

A failure can only prove that our determination to succeed is strong enough. Bove

What we care about is not whether you fail, but whether you complain about failure. Lincoln

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

Failure is the ultimate test of perseverance. Bismarck

No sowing, no harvest; Without hard work, there is no success; There is no glory without suffering; Without setbacks, there is no glory. -Payne

On the road of scientific exploration, it is not a bad thing for a person to take detours and make mistakes, let alone shame. We should have the courage to admit and correct our mistakes in practice. -Einstein

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

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

Suffering and hardship are the highest schools to temper personality. -Liang Qichao