Wisdom requires that we pour a little oil of delicate courtesy on the wheels of friendship.

The most successful man in the life is the man who has the best information.

It's the repetition of affirmations that leads to belief. And once that beliefbecomes a deep conviction, things begin to happen.

I have oftenregretted my speech, never my silence.

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.

Our distrust is very expensive.

It'sgood to shut up sometimes.

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.

Icannot give you a formula for success, but I can give you the formula forfailure: Try to please everyone.

The great despisers are the greater reverers.

Take yourlife into your own hands, and what happens? A terrible thing, no one toblame.

The man who says he's too old to learn new tricks probably always was.