At one point in this work, the author likens distinguishing true and false rules of logic to creating a Diana or Minerva out of a block of marble.
At one point in this work, the author likens distinguishing true and false rules of logic to creating a Diana or Minerva out of a block of marble. Earlier, the author proclaims that cities built by single architects are better and nicer than cities built by a series of different architects. In its fifth section, the author reveals his deep interest in medicine by proposing that blood vaporizes in the heart and keeps the body running.  Originally published along with three essays on Optics, Meteorology, and Geometry, in its second section, the author resolves not to accept anything without confirming its truth beyond doubt, which is the first of his four rules for "rightly conducting the reason."  For ten points, in what 1637 work does Rene Descartes claim "I think, therefore I am"?
At one point in this work, the author likens distinguishing true and false rules of logic to creating a Diana or Minerva out of a block of marble.
{Discourse on} the {Method} of Rightly Conducting the Reason, and Searching for Truth in the Sciences (or {Discours} de la {méthode} pour bien conduire sa raison, et chercher la verité dans les sciences)