People of genius do not excel in any profession because they work in it, they work in it because they excel.

The measure of any man's virtue is what he would do, if he had neither the laws nor public opinion, nor even his own prejudices, to control him.

Let a man's talents or virtues be what they may, he will only feel satisfaction in his society as he is satisfied in himself.

The book-worm wraps himself up in his web of verbal generalities, and sees only the glimmering shadows of things reflected from the minds of others.

The more we do, the more we can do; the more busy we are, the more leisure we have.

To give a reason for anything is to breed a doubt of it.

Prosperity is a great teacher; adversity a greater.