“But it is impossible to divide a cube into two cubes, or a fourth power into fourth powers, or generally any power beyond the square into like powers; of this I have found a remarkable demonstration. This margin is too narrow to contain it.”
Other Pierre de Fermat Quotes
I have found a very great number of exceedingly beautiful theorems.
Pierre de Fermat 
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And perhaps, posterity will thank me for having shown it that the ancients did not know everything.
Pierre de Fermat
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It is impossible for any number which is a power greater than the second to be written as a sum of two like powers. I have a truly marvelous demonstration of this proposition which this margin is too narrow to contain.
Pierre de Fermat
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I am more exempt and more distant than any man in the world.
Pierre de Fermat
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