The end of labor is to gain leisure.

For we do not think that we know a thing until we are acquainted with its primary conditions or first principles, and have carried our analysis as far as its simplest elements.

All that we do is done with an eye to something else.

In all things which have a plurality of parts, and which are not a total aggregate but a whole of some sort distinct from the parts, there is some cause.

Let us be well persuaded that everyone of us possesses happiness in proportion to his virtue and wisdom, and according as he acts in obedience to their suggestion.

The perversions are as follows: of royalty, tyranny; of aristocracy, oligarchy; of constitutional government, democracy.

A man can make up his mind quickly when he has only a little to make up.