Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

A fellow who is always declaring he's no fool usually has his suspicions.

The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.

People are, if anything, more touchy about being thought silly than they are about being thought unjust.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

One reason I don't drink is that I want to know when I am having a good time.