Man is the only kind of varmint sets his own trap, baits it, then steps in it.

I know this -- a man got to do what he got to do.

Man, unlike anything organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.

Man has a choice and it's a choice that makes him a man.

Man has become our greatest hazard, and our only hope.

One man was so mad at me that he ended his letter: "Beware. You will never get out of this world alive."