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

It's better to keep your mouth shut and appear stupid than to open it and remove all doubt.

Adam was human -- this explains it all. He did not want the apple for the apple's sake, he wanted it only because it was forbidden. The mistake was in not forbidding the serpent; then he would have eaten the serpent.

The way it is now, the asylums can hold the sane people, but if we tried to shut up the insane we should run out of building materials.

By trying, we can easily learn to endure adversity. Another man's I mean.

When angry, count four; when very angry, swear.

Classic: A book which people praise and don't read.

Nothing so needs reforming as other people's habits.

A sin takes on new and real terrors when there seems a chance that it is going to be found out.

Figures often beguile me, particularly when I have the arranging of them myself; in which case the remark attributed to Disraeli would often apply with justice and force: "There are three kinds of lies: lies, damned lies and statistics."

Let us endeavor so to live that when we come to die even the undertaker will be sorry.

I thoroughly disapprove of duels. I consider them unwise and I know they are dangerous. Also, sinful. If a man should challenge me now I would go to that man and take him kindly and forgivingly by the hand and lead him to a quiet retired spot and kill him.

I was seldom able to see an opportunity until it had ceased to be one.

There are several good protections against temptation: but the surest is cowardice.