The greatest genius will not be worth much if he pretends to draw exclusively from his own resources

Investigate what is, and not what pleases.

Since Time is not a person we can overtake when he is gone, let us honor him with mirth and cheerfulness of heart while he is passing.

The world cannot do without great men, but great men are very troublesome to the world.

What you desire when young, you have in abundance when old.

Old age is never honored among us, but only indulged, as childhood is; and old men lose one of the most precious rights of man,--that of being judged by their peers.

How often do I lull my seething blood to rest, for you have never seen anything so unsteady, so uncertain, as this heart.