“When I say that Descartes consecrated doubt, you must remember that it was that sort of doubt which Goethe has called ‘the active scepticism, whose whole aim is to conquer itself’; and not that other sort which is born of flippancy and ignorance, and whose aim is only to perpetuate itself, as an excuse for idleness and indifference.” — Thomas Huxley, “On Descartes,” Lay Sermons, Addresses, and Reviews
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