So the good has been well explained as that at which all things aim.

Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

Happiness is an activity of the soul in accordance with virtue

He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god.

Philosophy begins with wonder.

Even when laws have been written down, they ought not always to remain unaltered. As in other sciences, so in politics, it is impossible that all things should be precisely set down in writing; for enactments must be universal, but actions are concerned with particulars. Hence we infer that sometimes and in certain cases laws may be changed.

Men pay most attention to what is their own: they care less for what is common; or, at any rate, they care for it only to the extent to which each is individually concerned.