Quotes by Mark Twain

The secret source of Humor itself is not joy but sorrow. There is no humor in heaven.

There is no sadder sight than a young pessimist, except an old optimist․

Honesty is the best policy – when there is money in it.

All you need in this life is ignorance and confidence, and then success is sure.

It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.