Far and away, the greatest threat to the ocean, and thus to ourselves, is ignorance. But we can do something about that.

I hope that someday we will find evidence that there is intelligent life among humans on this planet.

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.

Look at the bark of a redwood, and you see moss. If you peer beneath the bits and pieces of the moss, you'll see toads, small insects, a whole host of life that prospers in that miniature environment. A lumberman will look at a forest and see so many board feet of lumber. I see a living city.

Scientists never stop asking. They're little kids who never grew up.

I suggest to everyone: Look in the mirror. Ask yourself: Who are you? What are your talents? Use them, and do what you love.

If you think the ocean isn't important, imagine Earth without it. Mars comes to mind. No ocean, no life support system.