A bad man can do a million times more harm than a beast.

To learn is a natural pleasure, not confined to philosophers, but common to all men.

For those who possess and can wield arms are in a position to decide whether the constitution is to continue or not

If one way be better than another, that you may be sure is nature's way.

Art is identical with a state of capacity to make, involving a true course of reasoning.

Thinking is different from perceiving and is held to be in part imagination, in part judgment

If there is some end of the things we do, which we desire for its own sake, clearly this must be the good. Will not knowledge of it, then, have a great influence on life? Shall we not, like archers who have a mark to aim at, be more likely to hit upon what we should? If so, we must try, in outline at least, to determine what it is.