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.

Once you have made a careful decision based on facts, go into action. Don't stop to reconsider. Don't begin to hesitate, worry, and retrace your steps. Don't lose yourself in self-doubting which begets other doubts. Don't keep looking back over your shoulder.

'When you have a lemon, make a lemonade.' That is what a great educator does. But the fool does the exact opposite. If he finds that life has handed him a lemon, he gives up and says, 'I 'm beaten. It is fate. I haven't got a chance.' Then he proceeds to rail against the world and indulge in an orgy of self-pity .

If you act enthusiastic, you'll be enthusiastic!

Tell me what gives a man or woman their greatest pleasure and I'll tell you their philosophy of life.

If we want to make friends, let's greet people with animation and enthusiasm.

Our fatigue is often caused not by work, but by worry, frustration and resentment.