The earth can build a city wall, and the accumulation of virtue can make a solid ground. ——Li Bai

If you do a good thing, you will feel at ease; if you do a bad thing, you will feel guilty. ——Shen Hanguang

Being unsullied by the mud and not corroded by the sugar-coated bullets of the bourgeoisie is the most valuable revolutionary quality. ——Zhou Enlai

The saddest thing for a person is the death of conscience. ——Guo Moruo

Shyness is the emotion of fear or fear of humiliation, which can prevent people from committing certain despicable behaviors. —— Spinoza

One should be zealously committed to acting morally rather than talking about morality. —— Democritus

Emotions have great inspiring power. Therefore, they are an important prerequisite for all moral behavior. ——Kelov

Without great character, there would be no great people, not even great artists or great actors. ——Romain Rolland

A person who can think is really a person with boundless power. ——Balzac

A person who is not inspired by the enthusiasm of devotion will never do anything great. —— Chernyshevsky

A common cause and a common struggle can give people the power to endure everything. —— Ostrovsky

I never regard comfort and happiness as the purpose of life itself---this ethical basis, I call it the ideal of the pig pen. ——Einstein

In a country of people, there must be a driving force, and this is virtue. ——Montesquieu

People cannot live like animals, but should pursue knowledge and virtue. ——Dante

Do not do evil because it is small, and do not do good because it is small. Only those who are virtuous and virtuous can obey others. ——Liu Bei