Why? <Tab/>Why should one doubt everything? The reason I ask "Why?" is because doubting everything you know and sense is not accomplishing anything; one should only doubt what could be proven incorrect. Descartes is defiantly a skeptic, not the usual doubter but the "King" so to speak of doubters. Descartes, one of the most intellectual of all mathematicians, secludes himself in a room to doubt everything, even his existence. Descartes …showed first 75 words of 1284 total…

…showed last 75 words of 1284 total…not as deceived, but as a mind that believes truth. The basic philosophy of Neurath and myself is to simply take out the bad and leave the good. Take what you know to be true and build upon it; don't "raze it all to the ground" and start over. Rene' Descartes, "Meditations on First Philosophy," in Classics of Western Philosophy, ed. Steven M. Cahn (Indianapolis: Hackett, 2002), 460 Rene' Descartes, 464 Simon Blackburn, Think (Oxford: Oxford University Press, 1999), 44.