I love music of all kinds, but there's no greater music than the sound of my grandchildren laughing; my kids, too.

No creature on Earth ever has organized themselves in ways that we have, with the capacity to alter the nature of nature the way we have.

If I seem like a radical it's because I have seen things that others have not.

America gains most when individuals have great freedom to pursue personal goals without undue government interference.

We are all together in this, we are all together in this single living ecosystem called Planet Earth. As we learn how we fit into the greater scheme of things, and begin to understand how the system works, we can plan ahead, we can use the resources responsibly, to show some respect for this inheritance that goes back 4.6 billion years.

There's plenty of water in the universe without life, but nowhere is there life without water.

It's mainly the high-end luxury market now that drives much of the fishing in the sea. It's not feeding the starving millions. It's feeding a luxury market.