We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet.

greed and stupidity.

Stephen Hawking

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823 Using e-mail, I can communicate with scientists all over the world.
778 Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.
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