Those who merely possess the goods of fortune may be haughty and insolent; . . . they try to imitate the great-souled man without being really like him, and only copy him in what they can, reproducing his contempt for others but not his virtuous conduct. For the great-souled man is justified in despising other people - his estimates are correct; but most proud men have no good ground for their pride.

There are branches of learning and education which we must study merely with a view to leisure spent in intellectual activity, and these are to be valued for their own sake; whereas those kinds of knowledge which are useful in business are to be deemed necessary, and exist for the sake of other things.

The self-indulgent man craves for all pleasant things... and is led by his appetite to choose these at the cost of everything else.

Some believe it to be just friends wanting, as if to be healthy enough to wish health.

One citizen differs from another, but the salvation of the community is the common business of them all. This community is the constitution; the virtue of the citizen must therefore be relative to the constitution of which he is a member.

Every art and every inquiry, and similarly every action and choice, is thought to aim at some good; and for this reason the good has rightly been declared to be that at which all things aim.

... a science must deal with a subject and its properties.