Tell a child, a husband or an employee that he is stupid or dumb at a certain thing, that he has no gift for it, and that he is doing it all wrong and you have destroyed almost every incentive to try to improve. But use the opposite technique, be liberal with encouragement; make the thing seem easy to do, let the other person know that you have faith in his ability to do it, that he has an undeveloped flair for it - and he will practice until the dawn comes in at the window in order to excel.

Encouragement makes a fault easy to correct, and a challenge easy to take on.

When ill luck besets us, to ease the tension we have only to remember that happiness is relative. The next time you are tempted to grumble about what has happened to you, why not pause and be glad that it is no worse than it is.

Keep your mind open to change all the time. Welcome it. Court it. It is only by examining and reexamining your opinions and ideas that you can progress.

Our mental attitude is the x factor that determines our fate.

The best argument is that which seems merely an explanation.

Good speakers usually find when they finish that there have been four versions of the speech: the one they delivered, the one they prepared, the one the newspapers say was delivered, and the one on the way home they wish they had delivered.