Science is a way to not fool ourselves.
CARL SAGANAn atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
More Carl Sagan Quotes
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Don’t judge everyone else by your own limited experience.
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The universe seems neither benign nor hostile, merely indifferent.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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Somewhere, something incredible is waiting to be known.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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If we ruin the earth, there is no place else to go.
CARL SAGAN







