Do a good deed and feel calm inside; If you do a bad thing, you will feel ashamed. -Han Guangshen

Immersed in the mud and not eroded by the sugar-coated shells 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 a feeling of fear or humiliation, which can prevent people from doing some despicable acts. -Spinoza

We should be enthusiastic about doing things according to morality, not talking about morality. -democritus

Emotion has great appeal, so it is an important prerequisite for all moral behaviors. -Kailov

Without great character, there would be no great people, not even great artists and great actors. -romain rolland

A person who can think is really a person with infinite strength. -Balzac

A person who is not motivated by dedication will never achieve great things. Chernyshevski

Common cause and common struggle can make people have the power to endure everything. Ostrovsky

I have never regarded ease and happiness as the purpose of life itself-this ethical basis, which I call the ideal of pigsty. -Einstein

In a people's country, there is also a driving hub, and that is virtue. -Montesquieu

Man cannot live like an animal, but should pursue knowledge and virtue. -Dante

Don't do it with little evil, and don't do it with little good. Only virtue and virtue can serve others. -Liu Bei

Don't disrespect the position, but don't disrespect the virtue; Not ashamed of Lu's disagreement, but ashamed of his lack of wisdom. -Zhang Heng