The only good is knowledge and the only evil is ignorance.

Slanderers do not hurt me because they do not hit me.

The envious person grows lean with the fatness of their neighbor.

From the deepest desires often come the deadliest hate.

Happiness is unrepentant pleasure.

Call no man unhappy until he is married.

The unexamined life is not worth living.

Know thyself.

One thing only I know, and that is that I know nothing.

Nature has given us two ears, two eyes, and but one tongue-to the end that we should hear and see more than we speak.