To cultivate oneself and conduct oneself in the world, nothing matters beyond sincerity. --Zhu Zhiyu, Ming Dynasty
One should help a friend precisely when they are in difficulty, not speak idle words after the matter seems hopeless. --Aesop
A person must devote all their strength to improving themselves and not waste it on anything else. --Leo Tolstoy
Anything that contradicts falsehood is extremely important and valuable. --Maxim Gorky
To live successfully, young people must learn independence, remove hidden obstacles, and be raised at home to possess a recognized independent character. --Dale Carnegie
A clear conscience allows one to sleep even amid thunder. --Thomas Fuller
Politeness is a desire to receive courteous respect in return. --La Rochefoucauld
To judge whether a person is noble or base, look at their qualities, not at how much wealth they possess. --Beecher
The best advice for young people is to be humble, respect their parents, and cherish friends and family. --Cicero
For the soul, there is no trivial matter. The mind can magnify everything. --Balzac
To know something superficially is equivalent to knowing nothing. --Charles Dickens
Virtue is not merely refraining from evil by self-control, but the unwillingness to commit evil. --George Bernard Shaw
Morality has such a high and admirable reputation because it always accompanies great sacrifice. --Kant
When our character declines, our taste also declines. --Korolenko
No matter how prestigious you are, have the courage to say to yourself: 'I am always ignorant.' --Pavlov
The most important thing is not the mind itself, but what guides it—noble character and cultivated temperament. --Dostoevsky
To know something, one must love it; to love it, one must pursue it; to pursue it, one must attain it. --Cheng Yi
Art is the highest expression of human wisdom, yet virtue surpasses it. --Alexandre Dumas fils
A person becomes truly human only when they strive to elevate themselves. --André Malraux
When a person is young and alone, fully devoted to study, even if they cannot be self-sufficient, they lead the most fulfilling life. --Ève Curie
