Let's find and remedy all our weaknesses before our enemies get a chance to say a word. That is what Charles Darwin did. ...When Darwin completed the manuscript of his immortal book "The Origin Of Species" he realized that the publication of his revolutionary concept of creation would rock the intellectual and religious worlds. So he became his own critic and spent another 15 years checking his data, challenging his reasoning, and criticizing his conclusions.

Do things for others and you'll find your self-consciousness evaporating like morning dew.

If you can be sure of being right only 55 percent of the time, you can go down to Wall Street and make a million dollars a day. If you can't be sure of being right even 55 percent of the time, why should you tell other people they are wrong?

People rarely succeed unless they have fun in what they are doing.

Cash can buy, but it takes enthusiasm to sell.

Personally I am very fond of strawberries and cream, but I have found that for some strange reason, fish prefer worms. So when I went fishing, I didn’t think about what I wanted. I thought about what they wanted. I didn't bait the hook with strawberries and cream. Rather, I dangled a worm or grasshopper in front of the fish and said: "Wouldn't you like to have that?" Why not use the same common sense when fishing for people?

Great speakers are not born, they're trained.