Generosity wins favour for everyone, especially when it is accompanied by modesty.

People have a peculiar pleasure in making converts, that is, in causing others to enjoy what they enjoy, thus finding their own likeness represented and reflected back to them.

Only the soul that loves is happy

Then to the depths! - I could as well say height: It's all the same.

Without my attempts in natural science, I should never have learned to know mankind such as it is. In nothing else can we so closely approach pure contemplation and thought, so closely observe the errors of the senses and of the understanding, the weak and strong points of character.

Reasonable men are the best dictionaries of conversation.

Marriage is the beginning and pinnacle of civilization.