People who fight with fire usually end up with ashes.

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

Itis all right if you talk to yourself. It is all right if you answer yourself.But when you start disagreeing with the answers, you've got a problem.

One of the lessons of history is that nothing is often a good thing to do and alwaysa clever thing to say.

Whenour knowing exceeds our sensing, we will no longer be deceived by theillusions of our senses.

One hallmark of freedom is the sound of laughter.

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

We judge others by their behavior. We judge ourselves byour intentions.

I know youbelieve you understand what you think I said, but I'm not sure you realizethat what you heard isn't what I meant.

A man's real life is that accorded to him in the thoughtd other man by reason of respect or natural love.

No manever did a designed injury to another, but at the same time he did a greaterto himself .

A shipin harbor is safe, but that is not what ships are built for.