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

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.

The future of nutrition is found in the oceans

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

The idea of a group of elders is that, in past civilizations, they have linked worlds; the other world was also present in this one. There is also the argument that elders have "experience." The problem is that experience teaches fear of change. Experience kills imagination. Experience makes people conservative. What we are facing tomorrow requires the force of imagination, not wisdom from yesterday.

It is fashionable nowadays to talk about the endless riches of the sea. The ocean is regarded as a sort of bargain basement, but I don't agree with that estimate. People don't realize that water in the liquid state is very rare in the universe. Away from earth it is usually a gas. This moisture is a blessed treasure, and it is our basic duty, if we don't want to commit suicide, to preserve it.