From birth, man carries the weight of gravity on his shoulders. He is bolted to earth. But man has only to sink beneath the surface and he is free.
Mankind has probably done more damage to the Earth in the 20th century than in all of previous human history.
It is fashionable nowadays to talk about the endless riches of the sea. The ocean is regarded as a sort of bargain basement, but I don't agree with that estimate. People don't realize that water in the liquid state is very rare in the universe. Away from earth it is usually a gas. This moisture is a blessed treasure, and it is our basic duty, if we don't want to commit suicide, to preserve it.
There are no boundaries in the real Planet Earth. No United States, no Soviet Union, no China, no Taiwan...Rivers flow unimpeded across the swaths of continents. The persistent tides - the pulse of the sea - do not discriminate; they push against all the varied shores on Earth.
If human civilization is going to invade the waters of the earth, then let it be first of all to carry a message of respect.
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.
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.
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