When some people look at a shrimp they think, "Hmm. Delicious." When I look at a shrimp I think, "You're a miracle, absolutely incredible. Your ancestors have gone back hundreds of millions of years." And to develop a thing as simple as a shrimp cocktail, you have to calculate the hundreds of millions of years that have preceded that moment where you're sitting there with your sauce and fork poised.

I've always said, 'Underwater or on top, men and women are compatible.'

Our past, our present, and whatever remains of our future, absolutely depend on what we do now.

Use your power to do whatever it takes to secure for humankind an enduring place on this little blue speck in the universe - our only hope.

There is not a well-funded campaign among scientists to say, "Look, here's the evidence. You can read it yourself. Here are the facts. We're not making this up."

The Exxon Valdez spill triggered a swift and strong response that changed policies about shipping, about double-hulled construction. A number of laws came into place.

I've had the joy of spending thousands of hours under the sea. I wish I could take people along to see what I see, and to know what I know.