The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.

[In Moscow] we got through to [Soviet leaders] Brezhnev and Kosygin on the telephone. I think it was because nobody had ever tried to call them at home before.

My role in life is that of the grain of sand to the oyster-it irritates the oyster and out comes a pearl.

Most people give up just when they're about to achieve success. They quit on the one yard line. They give up at the last minute of the game one foot from a winning touchdown.

This planet is our home. If we destroy the planet, we've destroyed our home, so it is fundamentally important.

Modern politics has become little more than shirking responsibility and blaming somebody else.

In plain Texas talk, it's 'do the right thing'