I can't travel without Sudoku.

The body is sort of a pain. It has to go to the bathroom. It has to be comfortable. But the spirit is indestructible. It can move at the speed of light.

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

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

You don't let a historic site rot.

The deep sea is the largest museum on earth, it contains more history than all the museums on land combined, and yet we're only now penetrating it.

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