The sea, once it casts its spell, holds one in its net of wonder forever.

The awareness of our environment came progressively in all countries with different outlets.

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

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

The sea is the universal sewer.

It is certain that the study of human psychology, if it were undertaken exclusively in prisons, would also lead to misrepresentation and absurd generalizations.

All life is part of a complex relationship in which each is dependent upon the others, taking from, giving to and living with all the rest.