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

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

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

The sea, the great unifier, is man's only hope. Now, as never before, the old phrase has a literal meaning: we are all in the same boat.

We must go and see for ourselves.

We must plant the sea and herd its animals using the sea as farmers instead of hunters. That is what civilization is all about - farming replacing hunting.

What is a scientist after all? It is a curious man looking through a keyhole, the keyhole of nature, trying to know what's going on.