The least deviation from truth will be multiplied later.

Every art and every inquiry, and similarly every action and pursuit, 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.

In the first place, then, men should guard against the beginning of change, and in the second place they should not rely upon the political devices of which I have already spoken invented only to deceive the people, for they are proved by experience to be useless.

To enjoy the things we ought and to hate the things we ought has the greatest bearing on excellence of character.

Obstinate people can be divided into the opinionated, the ignorant, and the boorish.

Man by nature wants to know.

Nature does nothing without a purpose. In children may be observed the traces and seeds of what will one day be settled psychological habits, though psychologically a child hardly differs for the time being from an animal.