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

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

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.

Everyone is an explorer. How could you possibly live your life looking at a door and not open it?

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

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

Forever may it remain that way. And may God bless these now-found souls.