We must plant the sea and herd its animals using the sea as farmers instead of hunters. That is what civilization is all about - farming replacing hunting.

I am absolutely enraptured by the atmosphere of a wreck. A dead ship is the house of a tremendous amount of life-fish and plants. The mixture of life and death is mysterious, even religious. There is the same sense of peace and mood that you feel on entering a cathedral.

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

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

May this continent, the last explored by humankind, be the first one to be spared by humankind.

In order to stabilize world population, we must eliminate 350,000 per day.

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.