In cases of this sort, let us say adultery, rightness and wrongness do not depend on committing it with the right woman at the right time and in the right manner, but the mere fact of committing such action at all is to do wrong.

The citizens begin by giving up some part of the constitution, and so with greater ease the government change something else which is a little more important, until they have undermined the whole fabric of the state.

The greatest of all pleasures is the pleasure of learning.

Hippocrates is an excellent geometer but a complete fool in everyday affairs.

If happiness, then, is activity expressing virtue, it is reasonable for it to express the supreme virtue, which will be the virtueof the best thing.

Tragedy is an imitation not of men but of a life, an action

Friendship is two souls inhabiting one body.