Happiness, then, is found to be something perfect and self-sufficient, being the end to which our actions are directed.

What has soul in it differs from what has not, in that the former displays life. Now this word has more than one sense, and provided any one alone of these is found in a thing we say that thing is living. Living, that is, may mean thinking or perception or local movement and rest, or movement in the sense of nutrition, decay and growth. Hence we think of plants also as living, for they are observed to possess in themselves an originative power through which they increase or decrease in all spatial directions.

...one Greek city state had a fundamental law: anyone proposing revisions to the constitution did so with a noose around his neck. If his proposal lost he was instantly hanged.

We become just by the practice of just actions.

The body is most fully developed from thirty to thirty-five years of age, the mind at about forty-nine.

Excellence or virtue in a man will be the disposition which renders him a good man and also which will cause him to perform his function well.

We are not angry with people we fear or respect, as long as we fear or respect them; you cannot be afraid of a person and also at the same time angry with him.