Teori relativitas umum Einstein menyiratkan bahwa alam semesta harus punya permulaan dan, mungkin akhir.

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Estoy convencido de que los humanos necesitamos dejar la Tierra para evitar correr el riesgo de ser aniquilados.

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We should seek the greatest value of our action.

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Nothing cannot exist forever.

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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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I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.

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[If] there were such a God, I would like to ask however did he think of anything as complicated as M-theory in eleven dimensions.

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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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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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One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.

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