1001Philosophers

Rene Descartes Quotes on Knowledge

Rene Descartes was a French philosopher, mathematician, and scientist often called the father of modern philosophy. This page collects quotes attributed to Rene Descartes on the topic of knowledge, drawn from across the philosopher's works.

Quotes

  • Attributed to Rene Descartes:

    “I think, therefore I am.”

  • Attributed to Rene Descartes:

    “The reading of all good books is like a conversation with the finest minds of past centuries.”

  • Attributed to Rene Descartes:

    “Each problem that I solved became a rule which served afterwards to solve other problems.”

  • Attributed to Rene Descartes:

    “If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.”

  • Attributed to Rene Descartes:

    “Common sense is the most fairly distributed thing in the world, for each one thinks he is so well-endowed with it that even those who are hardest to satisfy in all other matters are not in the habit of desiring more of it than they already have.”

  • Attributed to Rene Descartes:

    “There is nothing so far removed from us as to be beyond our reach, or so hidden that we cannot discover it.”