Mankind has probably done more damage to the Earth in the 20th century than in all of previous human history.

If human civilization is going to invade the waters of the earth, then let it be first of all to carry a message of respect.

I experimented with all possible maneuvers-loops, somersaults and barrel rolls. I stood upside down on one finger and burst out laughing, a shrill, distorted laugh. Nothing I did altered the automatic rhythm of the air. Delivered from gravity and buoyancy, I flew around in space.

The sea is the universal sewer.

It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert.

Man has only to sink beneath the surface and he is free.

How dangerous are those sea animals with bad reputations? A few actually kill. A few maim. Some are poisonous when eaten by man. Most sting, stab,or poison and cause mild to severe discomfort to man. Yet man is one of the larger beings that sea creatures encounter, and these poisons usually can't kill him.