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There are too many accidents that can befall life on a single planet.

Stephen Hawking

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Stephen Hawking
Age: 76 †
Born: 1942
Born: January 8
Died: 2018
Died: March 14
Astronomer
Astrophysicist
Autobiographer
Cosmologist
Mathematician
Non-Fiction Writer
Pedagogue
Physicist
Science Fiction Writer
Hawking
Stephen William Hawking
S. W. Hawking
Befall
Accidents
Planet
Planets
Single
Many
Life

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If the government is covering up knowledge of aliens, they are doing a better job of it than they do at anything else.
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Using e-mail, I can communicate with scientists all over the world.
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I think the human race has no future if it doesn't go into space.
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The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?
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Because there is a law such as gravity, the Universe can and will create itself from nothing. Spontaneous creation is the reason there is something rather than nothing, why the Universe exists, why we exist. It is not necessary to invoke God to light the blue touch paper and set the Universe going.
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Evolution has ensured that our brains just aren't equipped to visualise 11 dimensions directly. However, from a purely mathematical point of view it's just as easy to think in 11 dimensions, as it is to think in three or four.
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In fact, if one considers the possible constants and laws that could have emerged, the odds against a universe that produced life like ours are immense.
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If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.
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Many people find the universe confusing - it's not.
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The real challenge is to work out what aliens might actually be like.
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Not to leave planet Earth would be like castaways on a desert island not trying to escape...Sending humans to other planets ... will shape the future of the human race in ways we don't yet understand, and may determine whether we have any future at all.
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If human life were long enough to find the ultimate theory, everything would have been solved by previous generations. Nothing would be left to be discovered.
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We shouldn't be surprised that conditions in the universe are suitable for life, but this is not evidence that the universe was designed to allow for life. We could call order by the name of God, but it would be an impersonal God. There's not much personal about the laws of physics.
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I think the brain is essentially a computer and consciousness is like a computer program. It will cease to run when the computer is turned off. Theoretically, it could be re-created on a neural network, but that would be very difficult, as it would require all one's memories.
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While there's life, there is hope.
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At times, I get very lonely because people are afraid to talk to me or don't wait for me to write a response. I'm shy and tongue-tied at times. I find it difficult to talk to people who I don't know.
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Science will win because it works.
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I was not a good student. I did not spend much time at college I was too busy enjoying myself.
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A zero-gravity flight is a first step toward space travel.
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Working with my father [Stephen Hawking ] is a great thrill - he has the amazing ability to hold enormous amounts of information in his head.
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