I wake up saying, I'm still alive; a miracle. And so I keep on pushing.

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.

How dangerous are those sea animals with bad reputations? A few actually kill. A few maim. Some are poisonous when eaten by man. Most sting, stab,or poison and cause mild to severe discomfort to man. Yet man is one of the larger beings that sea creatures encounter, and these poisons usually can't kill him.

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

No sooner does man discover intelligence than he tries to involve it in his own stupidity.

I am absolutely enraptured by the atmosphere of a wreck. A dead ship is the house of a tremendous amount of life-fish and plants. The mixture of life and death is mysterious, even religious. There is the same sense of peace and mood that you feel on entering a cathedral.

Water and air, the two essential fluids on which all life depends, have become global garbage cans.