We’re on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions.
BRIAN GREENEThe beauty of string theory is the metaphor kind of really comes very close to the reality.
More Brian Greene Quotes
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Physicists are more like avant-garde composers, willing to bend traditional rules… Mathematicians are more like classical composers.
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I like ‘The Simpsons’ quite a lot. I love the irreverent character of the whole show. It’s great.
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Cosmology is among the oldest subjects to captivate our species. And it’s no wonder. We’re storytellers, and what could be more grand than the story of creation?
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Every moment is as real as every other. Every ‘now,’ when you say, ‘This is the real moment,’ is as real as every other ‘now’ – and therefore all the moments are just out there. Just as every location in space is out there, I think every moment in time is out there, too.
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The real question is whether all your pondering and analyses will convince you that life is worth living. That’s what it all comes down to.
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A watch worn by a particle of light would not tick at all. Light realizes the dreams of Ponce de Leon and the cosmetics industry: it doesn’t age.
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The idea that there could be other universes out there is really one that stretches the mind in a great way.
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Falsifiability for a theory is great, but a theory can still be respectable even if it is not falsifiable, as long as it is verifiable.
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Relativity challenges your basic intuitions that you’ve built up from everyday experience. It says your experience of time is not what you think it is, that time is malleable. Your experience of space is not what you think it is; it can stretch and shrink.
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How can a speck of a universe be physically identical to the great expanse we view in the heavens above?
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In the far, far future, essentially all matter will have returned to energy. But because of the enormous expansion of space, this energy will be spread so thinly that it will hardly ever convert back to even the lightest particles of matter.
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Quantum Mechanics is different. Its weirdness is evident without comparison. It is harder to train your mind to have quantum mechanical tuition, because quantum mechanics shatters our own personal, individual conception of reality
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That is, you can have nothingness, absolute nothingness for maybe a tiny fraction of a second, if a second can be defined in that arena, but then it falls apart into a something and an anti-something. And that something is then what we call the universe.
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…things are the way they are in our universe because if they weren’t, we wouldn’t be here to notice.
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I’ve seen children’s eyes light up when I tell them about black holes and the Big Bang.
BRIAN GREENE