It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.

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Intelligence is the ability to adapt to change.

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The huge questions of existence still remain unanswered—how did life begin on Earth? What is consciousness? Is there anyone out there or are we alone in the universe? These are questions for the next generation to work on.

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I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first. I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.

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Unfortunately, however, these two theories are known to be inconsistent with each other—they cannot both be correct.

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remember to look up at the stars

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There is no unique picture of reality.

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Half the battle is just showing up.

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associates and collaborators were Roger Penrose

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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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