Even knaves may be made good for something.

I am not made like any of those I have seen. I venture to believe that I am not made like any of those who are in existence. If I am not better, at least I am different.

Provided a man is not mad, he can be cured of every folly but vanity.

What good would it be to possess the whole universe if one were its only survivor?

We are born, so to speak, twice over; born into existence, and born into life; born a human being, and born a man.

Peter had a genius for imitation; but he lacked true genius, which is creative and makes all from nothing.

To endure is the first thing that a child ought to learn, and that which he will have the most need to know.