We will have to repent not merely for vitriolic words and actions of the bad people, but for the appalling silence of the good people.

Only after the last tree has been cut down, Only after the last river has been poisoned, Only after the last fish has been caught, Only then will you find money cannot be eaten.

The wisest man I ever knew taught me something I never forgot. And although I never forgot it, I never quite memorized it either. So what I'm left with is the memory of having learned something very wise that I can't quite remember.

Some people never go crazy, What truly horrible lives they must live.

If you want to know who your friends are, get yourself a jail sentence.

You begin saving the world by saving one man at a time; all else is grandiose romanticism or politics.