John D. Barrow
Scientist
1952-11-29
Quotes by John D. Barrow
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There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that habitable time interval in cosmic history.
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There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that habitable time interval in cosmic history.
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Apparently, a great deal of dark, unseen material exists, whose gravitational pull is responsible for the motions of the stars and galaxies that we see.
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Some things are as they are regardless of what they were.
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When we try to observe things that are very small, the act of observation itself will significantly disturb the state we are seeking to measure.
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We can predict the present without having to know everything about the past.
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If all the stars and galaxies in the universe today were smoothed out into a uniform sea of atoms, there would only be about one atom in every cubic meter of space.
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We can never know the origins of the universe. The deepest secrets are the ones that keep themselves.
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Once upon a time when there was no time.
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There was no before the beginning of the universe, because once upon a time there was no time.
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How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?
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There is no reason that the universe should be designed for our convenience.
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