Fifty percent of the United States of America is underneath the ocean. And we have better maps of Mars than those areas.

Don't confuse facts with reality.

I mean, technology is amoral. It has no morality.

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.

It is a quiet and peaceful place - and a fitting place for the remains of this greatest of sea tragedies to rest.

I learned how to order my thoughts, and most important, learned how to develop a plan. I discovered the power of a plan. If you can plan it out, and it seems logical to you, you can do it. And that was the secret to success.

What drives me is exploration with a purpose, more the classic Royal Geographical Society genre.