I used to think that humor was the only way to appreciate how wonderful and terrible the world is, to celebrate how big life is. But now I think the opposite. Humor is a way of shrinking from that wonderful and terrible world.

Animal agriculture makes a 40% greater contribution to global warming than all transportation in the world combined; it is the number one cause of climate change.

It has shown me that everything is illuminated in the light of the past. It is always along the side of us...on the inside, looking out.

I hated myself for going, why couldn't I be the kind of person who stays?

Please be truthful, but also please be benevolent, please.

If we were to one day encounter a form of life more powerful and intelligent than our own, and it regarded us as we regard fish, what would be our argument against being eaten?

Nine out of ten significant people have to do with money or war!