If morals deteriorate, taste will inevitably deteriorate.

——Diderot

To have knowledge without morality is like a villain; to have morality without knowledge is like a coward.

——Roosevelt

If people call exaggeration and violence virtues, and call moderation and justice crimes, then such a country is not far from destruction.

——Napoleon

The greatest harm of bad habits is to devalue a person's value.

——Gide

Bad habits gradually form unconsciously.

——Dryden

Inhumane reason will inevitably lead to the complete loss of humanity.

——Anixter

I have always believed that those who have no vices rarely have virtues.

——Lincoln

The price paid for tolerating one crime is enough to raise two children.

——Franklin

When man is a beast, he is worse than the beast.

——Tagore

No one can humiliate us except ourselves.

——Huo Lan

Where flowers fade, humans cannot live.

——Napoleon

No chair is comfortable for those who are dissatisfied.

——Franklin

Complacency, arrogance and credulity are the three hidden dangers of life.

——Balzac