However fragmented the world, however intense the national rivalries, it is an inexorable fact that we become more interdependent every day.

The impossible missions are the only ones which succeed.

The sea is the universal sewer.

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.

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

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.

When we return wild animals to nature, we merely return them to what is already theirs. For man cannot give wild animals freedom, they can only take it away.