1001Philosophers

Antoine Arnauld Quotes on Knowledge

Antoine Arnauld was a French Catholic theologian, logician, and philosopher and the leading figure of the Jansenist movement at Port-Royal. This page collects quotes attributed to Antoine Arnauld on the topic of knowledge, drawn from across the philosopher's works.

Quotes

  • Attributed to Antoine Arnauld:

    “Logic is the art of thinking.”

  • Attributed to Antoine Arnauld:

    “Clear and distinct ideas are the foundation of certainty.”

  • Attributed to Antoine Arnauld:

    “It is necessary, when one wishes to learn the truth, to abandon all prejudices.”

  • Attributed to Antoine Arnauld:

    “Definition begins with the analysis of what is already understood.”