A lifemaking mistakes is not only more honorable, butmore useful than a life spent doing nothing at all.

Power corrupts. Absolute power is kind of neat.

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.

Even a dog knows the difference between being stumbledover and being kicked.

Effectivecommunication is 20 percent what you know and 80 percent how you feel aboutwhat you know.

Man alone contains within himself as many species as exist on earth.

The liberty of the individual must be thus far limited: He must not make himself a nuisance to other people.

I have never been able to conceive how any rational beingcould propose happiness to himself from the exercise of power over others.

Self-trust is the first secret of success.

Be yourself and speak your mind today, though it contradicts all you have said before.

If you climb up a tree, you must climb down the same tree.

Theharder the conflict, the more glorious the triumph.