I wake up saying, I'm still alive; a miracle. And so I keep on pushing.

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

In order to save the planet it would be necessary to kill 350,000 people per day.

The sea, the great unifier, is man's only hope. Now, as never before, the old phrase has a literal meaning: we are all in the same boat.

If we were logical, the future would be bleak, indeed. But we are more than logical. We are human beings, and we have faith, and we have hope, and we can work.

For most of history, man has had to fight nature to survive; in this century he is beginning to realize that, in order to survive, he must protect it.

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