We know how to organize warfare, but do we know how to act when confronted with peace?

We have to prepare for what life could become in 40 years. We need to outline what is possible and what is impossible with the non-renewable resources of the Earth. What role will technological improvement play? Taking all this into account, what kind of life can we produce in the best way for 10 billion people? That's a problem that needs to be solved.

And let us remember too that life, in its exuberance, always succeeds in overflowing the narrow limits within which man thinks he can confine it.

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 happiness of the bee and the dolphin is to exist. For man it is to know that and to wonder at it.

There is about as much educational benefit to be gained in studying dolphins in captivity as there would be studying mankind by only observing prisoners held in solitary confinement.

There was wildlife, untouched, a jungle at the border of the sea, never seen by those who floated on the opaque roof. Describing his early experience, in 1936, when a fellow naval officer, Philippe Tailliez, gave him goggles to see below the Mediterranean Sea surface.