The best good people are those who have experienced and made mistakes; A person will become better in the future because of a little shortcoming. -Shakespeare

Blessed are those who know their shortcomings and can turn over a new leaf. -Shakespeare

A person must devote all his strength to improving himself, and can't waste his strength on other things. -Tolstoy Biography

If you go too far, don't be afraid of change. -Confucius

Don't hesitate to correct your method and accept good advice. -Su Shi

It is not a bad thing or a shame for a person to make mistakes on the road of scientific exploration. We should have the courage to admit and correct our mistakes in practice. -Einstein