The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and stars that we know exist, it's extremely unlikely that we are the only form of evolved life.

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How difficult life may seem, while there’s life, there is hope.

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I used to think information was destroyed in black hole. This was my biggest blunder, or at least my biggest blunder in science.

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How do we know that we are not just characters in a computer-generated soap opera?

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Whether you want to uncover the secrets of the universe, or you just want to pursue a career in the 21st century, basic computer programming is an essential skill to learn.

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associates and collaborators were Roger Penrose

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Intelligence is the ability to adapt to change.

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This means that at earlier times objects would have been closer together. In fact, it seemed that there was a time, about ten or twenty thousand million years ago, when they were all at exactly the same place and when, therefore, the density of the universe was infinite.

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However difficult life may seem, there is always something you can do and succeed at.

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I would see the end of physics as we know it, but now I think the wonder of discovery will continue long after I am gone. We are close to some of these answers, but we are not there yet.

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