The value of a person should depend on what he contributes, not what he obtains.

All a person can do is to set a good example and have the courage to firmly uphold ethical beliefs in a gossipy society.

If you have perseverance, why do you need to sleep at three o'clock and wake up at five o'clock? The most useless thing is to be exposed to ten days of cold in one day. The correct way to succeed in hard work is to say less empty words.

The pursuit and struggle for truth and knowledge is one of the highest human qualities.

Everyone has certain ideals, which determine the direction of his efforts and judgments. In this sense, I never regard comfort and happiness as the purpose of life in itself - this This ethical basis, I call it the ideal of the pig pen.

I don’t have any special talents, but I just like to get to the bottom of things.

Between genius and diligence, I choose diligence without hesitation. She is the midwife of almost all achievements in the world.

The right way to succeed in hard work is to talk less empty words.

Raising a question is often more important than solving a problem.

Only by dedicating oneself to society can one find the meaning of that short and risky life.

Life is like riding a bicycle. If you want to maintain balance, you have to move forward.

Treating comfort and joy as the purpose of life itself - this ethical basis, I call it the pig pen ideal.