It's not what you don't know that hurts you. It's what you know that just ain't so.

It's funny what a few no-hitters do for a body.

Just take the ball and throw it where you want to. Throw strikes. Home plate don't move.

If a man can beat you, walk him.

The principle itself of dogmatic religion, dogmatic morality, dogmatic philosophy, is what requires to be rooted out; not any particular manifestation of that …

Reason, or the ratio of all we have already known, is not the same that it shall be when we know more.

People who don't know anything tend to make up fake rules, the real rules being considerably more difficult to learn.