Rene Descartes on Starting from Scratch
The Philosophical Works of Descartes, ed., tr. Elizabeth S. Haldane and GRT Ross (New York: Dover, 1955, orig; Meditations on First Philosophy, orig. 1647), p. 144It is now some years since I detected how many are the false beliefs that I had from my earliest youth admitted as true, and how doubtful was everything I had since constructed on this basis, and from that time I was convinced that I must once for all seriously undertake to rid myself of all the opinions which I formerly accepted, and commence to build anew from the foundation…