Almost a quarter of our planet is a single mountain range and we didn't enter it until after Neil Armstrong and Buzz Aldrin went to the moon. So we went to the moon, played golf up there, before we went to the largest feature on our own planet.

There are more active volcanoes beneath the sea than on land by two orders of magnitude.

If you plan it out, and it seems logical to you, then you can do it. I discovered the power of a plan.

The Titanic will protect itself.

The greatest discoveries all start with the question "Why?"

There's probably more history now preserved underwater than in all the museums of the world combined. And there's no law governing that history. It's finders keepers.

Everything I'm going to present to you was not in my textbooks when I went to school ... not even in my college textbooks. I'm a geophysicist, and [in] all my Earth science books when I was a student - I had to give the wrong answer to get an A.