With earth's burgeoning human population to feed we must turn to the sea with understanding and new technology. We need to farm it as we farm the land.

I believe that national sovereignties will shrink in the face of universal interdependence.

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.

No sooner does man discover intelligence than he tries to involve it in his own stupidity.

We are living in an interminable succession of absurdities imposed by the myopic logic of short-term thinking.

I was playing when I invented the aqualung. I think play is the most serious thing in the world.

The biggest obstacle was mixing abortion with overpopulation. These are two things that have nothing to do with each other.