Education consists mainly in what we have unlearned.

Of all God's creatures, there is only one that cannot be made slave of the leash. That one is the cat. If man could be crossed with the cat it wouldimprove the man, but it would deteriorate the cat.

Never let the truth get in the way of a good story.

The art of prophecy is very difficult, especially with respect to the future.

I don't like to commit myself about heaven and hell - you see, I have friends in both places.

Never have a battle of wits with an unarmed person.