If you compare NASA's annual budget to explore the heavens, that one year budget would fund NOAA's budget to explore the oceans for 1,600 years.

Great is the person who plants a tree knowing he will never sit under it.

Most of the southern hemisphere is unexplored. We had more exploration ships down there during Captain Cook's time than now. It's amazing.

It's not a huge surprise that there are habitations at the bottom of the Black Sea.

Well, when I was a kid, I grew up in San Diego next to the ocean. The ocean was my friend - my best friend.

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

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