The Selections from the Principles of Philosophy Quotes

“they who make pretensions to philosophy are often less wise and reasonable than others who never applied themselves to the study,”
― René Descartes, The Selections from the Principles of Philosophy

“in order to seek truth, it is necessary once in the course of our life, to doubt, as far as possible, of all things.”
― René Descartes, The Selections from the Principles of Philosophy