Speak only if it improves upon the silence.

Live as if you were to die tomorrow. Learn as if you were to live forever.

An eye for an eye will make the whole world blind.

Earth provides enough to satisfy every man’s need, but not any man’s greed.

Find purpose, the means will follow.

I think it would be a good idea! In reply to a reporter's question "What do you think of Western Civilization?"

I object to violence because when it appears to do good, the good is only temporary; the evil it does is permanent.