Man is by nature a political animal.

Nothing in life is more necessary than friendship.

The same ideas, one must believe, recur in men's minds not once or twice but again and again.

In making a speech one must study three points: first, the means of producing persuasion; second, the language; third the proper arrangement of the various parts of the speech.

The true friend of the people should see that they be not too poor, for extreme poverty lowers the character of the democracy.

Neither by nature, then, nor contrary to nature do the virtues arise in us; rather we are adapted by nature to receive them, and are made perfect by habit.

To learn is a natural pleasure, not confined to philosophers, but common to all men.