Yet it must not be thought that it was as easy for it as for logic in which reason has to do only with itself to find that royal path, or rather itself to open it up; rather, I believe that mathematics was left groping about for a long time (chiefly among the Egyptians), and that its transformation is to be ascribed to a revolution, brought about by the happy inspiration of a single man in an ata Object Objecte Objecte Object Objecte Preface tempt from which the road to be taken onward could no longer be missed, and the secure course of a science was entered on and pre scribed for all time and to an infinite extent.