Farming as we do it is hunting, and in the sea we act like barbarians.

The reason I love the sea I cannot explain - it's physical. When you dive you begin to feel like an angel. It's a liberation of your weight.

Man, of all the animals, is probably the only one to regard himself as a great delicacy.

We are human beings, and we have faith, and we have hope

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

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

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