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.

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

The road to the future leads us smack into the wall. We simply ricochet off the alternatives that destiny offers. Our survival is no more than a question of 25, 50 or perhaps 100 years.

With earth's burgeoning human population to feed we must turn to the sea with understanding and new technology. We need to farm it as we farm the land.

Through the window of my mask I see a wall of coral, its surface a living kaleidoscope of lilac flecks, splashes of gold, reddish streaks and yellows, all tinged by the familiar transparent blue of the sea.

If we were logical, the future would be bleak, indeed. But we are more than logical. We are human beings, and we have faith, and we have hope, and we can work.

The future of nutrition is found in the oceans