I believe I have no prejudices whatsoever. All I need to know is that a man is a member of the human race. That's bad enough for me.

He wa'n't no common dog, he wa'n't no mongrel; he was a composite. A composite dog is a dog that is made up of all the valuable qualities that's in the dog breed-kind of a syndicate; and a mongrel is made up of all riffraff that's left over.

Good judgement is the result of experience and experience the result of bad judgement.

Let us be thankful for the fools. But for them the rest of us could not succeed.

We love old travelers: we love to hear them prate, drivel and lie; we love them for their asinine vanity, their ability to bore, their luxuriant fertility of imagination, their startling, brilliant, overwhelming mendacity.

When the Lord finished the world, he pronounced it good. That is what I said about my first work, too. But Time, I tell you, Time takes the confidence out of these incautious opinions. It is more than likely that He thinks about the world, now, pretty much as I think about the Innocents Abroad. The fact is, there is a trifle too much water in both.

When an honest writer discovers an imposition it is his simple duty to strip it bare and hurl it down from its place of honor, no matter who suffers by it; any other course would render him unworthy of the public confidence.