And putting together the probabilities of quantum mechanics with the certainty of general relativity, that’s been the big challenge and that’s why we have been excited about string theory, as it’s one of the only approaches that can put it together.
BRIAN GREENEWhen I give this talk to a physics audience, I remove the quotes from my ‘Theorem’.
More Brian Greene Quotes
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Science is the greatest of all adventure stories, one that’s been unfolding for thousands of years as we have sought to understand ourselves and our surroundings.
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Evidence in support of general relativity came quickly. Astronomers had long known that Mercury’s orbital motion around the sun deviated slightly from what Newton’s mathematics predicted. In 1915,
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Gravity is matter’s sugar daddy.
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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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The beauty of string theory is the metaphor kind of really comes very close to the reality.
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I would say in one sentence my goal is to at least be part of the journey to find the unified theory that Einstein himself was really the first to look for.
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String theory is the most developed theory with the capacity to unite general relativity and quantum mechanics in a consistent manner.
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So many galaxies, so many planets out there in the universe circling so many stars… it just feels like there’s a very good chance that there is another Earth-like planet out there that is able to support some kind of life similar to what we’re familiar with.
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Free will is the sensation of making a choice. The sensation is real, but the choice seems illusory. Laws of physics determine the future.
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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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How can a speck of a universe be physically identical to the great expanse we view in the heavens above?
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Art makes us human, music makes us human, and I deeply feel that science makes us human.
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To tell you the truth, I’ve never met anybody who can envision more than three dimensions. There are some who claim they can, and maybe they can; it’s hard to say.
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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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String theory envisions a multiverse in which our universe is one slice of bread in a big cosmic loaf. The other slices would be displaced from ours in some extra dimension of space.
BRIAN GREENE







