When people are friends, they have no need of justice, but when they are just, they need friendship in addition.

Man is the metre of all things, the hand is the instrument of instruments, and the mind is the form of forms.

Men become richer not only by increasing their existing wealth but also by decreasing their expenditure.

Not to know of what things one should demand demonstration, and of what one should not, argues want of education.

In the many forms of government which have sprung up there has always been an acknowledgement of justice and proportionate equality, although mankind fail in attaining them, as indeed I have already explained. Democracy, for example, arises out of the notion that those who are equal in any respect are equal in all respects; because men are equally free, they claim to be absolutely equal.

For often, when one is asleep, there is something in consciousness which declares that what then presents itself is but a dream.

The greatest crimes are caused by surfeit, not by want.