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When "the light of truth" appeared to Descartes, he immediately imprisoned his discovery within a logical formula: "Cogito, ergo sum." And the great truth perished, it gave nothing either to Descartes or to any one else. Yet it was he himself who taught: "De omnibus dubitandum." But then he ought first of all to have questioned the legitimacy of the pretensions of syllogistical formulae, which claim to be the only, invariable, expert appraisers of truth and error. Directly Descartes began to make deductions he forgot what he had seen. He forgot the cogito, he forgot the sum, in order to be sure of the ergo which has the power to constrain men's minds. p. 110 (en) |