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I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the earth will be kille...more

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The distinction between the past, present and future is only a stubbornly persistent illusion.

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One must divide one's time between politics and equations. But our equations are much more important to me, because politics is for the present, while...more

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The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.

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Politics is for the present, but an equation is for eternity.

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I never think of the future - it comes soon enough.

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I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

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Professor Smith has kindly submitted his book to me before publication. After reading it thoroughly and with intense interest I am glad to comply with...more