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.

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.

It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert.

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

When one man, for whatever reason, has the opportunity to lead an extraordinary life, he has no right to keep it to himself.

The sea is not a bargain basement.

We must go and see for ourselves.