One can't prove that God doesn't exist. But science makes God unnecessary. The laws of physics can explain the universe without the need for a creator.

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A snooze button is a poor substitute for no alarm clock at all.

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Galileo, perhaps more than any other single person, was responsible for the birth of modern science.

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We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

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

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People won't have time for you if you are always angry or complaining.

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The twentieth century saw man's view of the universe transformed: we realized the insignificance of our planet in the vastness of the universe, and we discovered that time and space we curved and inseparable , that the universe was expanding, and that it had a beginning in time.

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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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Scientific discovery may not be better than sex, but the satisfaction lasts longer.

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Love the neighbor. But don't get caught.

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