All the power that we exercise over others depends on thepower we exercise over ourselves.

At times, it is better to keep your mouth shut and let people wonder if you are a fool than to open it and remove all doubt.

If a man speaks or acts with pure thought, happiness follows him like a shadow that never leaves him

If speakingis silver, then listening is gold.

To beprepared is half the victory.

What isthe shortest word in the English language that contains the letters: abcdef? Answer: feedback. Don't forget that feedback isone of the essential elements of good communication.

Fools rush in where fools have been before.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Power is not a means, it is an end. One does not establisha dictatorship in order to safeguard a revolution; one makes the revolutionin order to establish the dictatorship.

Power gravitates to the man who knows how.

Books without the knowledge of life are useless.

To teach isto learn twice.