“Although the whole of this life were said to be nothing but a dream and the physical world nothing but a phantasm, I should call this dream or phantasm real enough, if, using reason well, we were never deceived by it.”

—  Gottfried Leibniz

As quoted in The World of Mathematics (1956) by J. R. Newman, p. 1832

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Gottfried Leibniz29
German mathematician and philosopher 1646–1716

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