Great attention gets paid to rainforests because of the diversity of life there. Diversity in the oceans is even greater.

There is an enormous amount to be learned about the sea; like most wildernesses, it has great potential.

The best scientists and explorers have the attributes of kids! They ask question and have a sense of wonder. They have curiosity. 'Who, what, where, why, when, and how!' They never stop asking questions, and I never stop asking questions, just like a five year old.

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

The Earth is a unique system in the universe, the only planet we know of that's hospitable for humankind.

The opportunity that is unique [to our] time is what inspires me to do everything I can to move things forward. This is the first time that we have the capacity to understand our place in the greater scheme of things to the extent that we do.

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