The Titanic will protect itself.

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.

I am an underwater explorer, not a treasure hunter.

So, you know, I think the age of exploration is just beginning, not ending, on our planet.

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

NASA's annual budget for space exploration could fund NOAA's budget for ocean exploration for 1600 years.

I can't travel without Sudoku.