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

When indoubt, ask. When not in doubt, ask. If you are not in doubt, you may bekidding yourself.

Do good to your friend to keep him, and to your enemy to make him your freind.

Thedeepest principle of human nature is the craving to be appreciated.

Not everything that is faced can be changed. But nothing can be changed until it is faced.

Nobody'sa natural. You work hard to get good and then work to get better. It's hardto stay on top.

Thereare two dilemmas that rattle the human skull: How do you hang on to someone whowon't stay? And how do you get rid of someone who won't go?

I love power. But it is as an artist that I love it. Ilove it as a musician loves his violin, to draw out its sounds and chords andharmonies.

If error is corrected whenever it is recognized as such,the path of error is the path of truth.

Nature arms each man with some faculty which enables himto do easily some feat impossible to any other.

If necessityis the mother of invention, conflict is its father.

Theterm up has no meaning apart from the word down. The term fasthas no meaning apart from the term slow. In addition, such termshave no meaning even when used together, except when confined to a veryparticular situation... most of our language about the