A lot of scientists act on their beliefs and so do things that look crazy to the rest of us.

Whistling together. Some kind of performance. I mean, not just a conversation, but a performance.

Life is insanely robust, though we can make species go extinct, and this is the bad thing. So I always make the point that you can't say, 'Is it too late?' That is the terrible question, because either answer promotes inaction. If it's too late, you don't need to act; if it's not too late, you don't need to act.

Each of us have a gift, you see, given us freely by the universe. And each of us with every breath gives something back

A lot of scientists act on their beliefs and so do things that look crazy to the rest of us.

You can't get any movement larger than five people without including at least one flippin idiot.

It makes us a thread in a tapestry that has unrolled for centuries before us, and will unroll for centuries after us. We're midway through the loom, that's the present, and what we do casts the thread in a particular direction, and the picture of the tapestry changes accordingly. When we begin to to try to make a picture pleasing to us and to those who come after, then perhaps you can say that we have seized history.