Labor leaders don't do much laboring after they are able to lead.

Some guy invented Vitamin A out of a carrot. I'll bet he can't invent a good meal out of one.

I would never make a good economist. You know, an economist is a man that can tell you anything about — well, he will tell you what can happen under any given condition — and his guess is liable to be as good as anybody else's, too.

When you're through learning, you're through.

Ignorance lies not in the things you don't know, but in the things you know that ain't so.

If a man ain't nothin' else, then he's an artist. It's the only thing he can claim to be that nobody can prove he ain't.

The trouble with practical jokes is that very often they get elected.