# We propose to use all of our knowledge to construct a computer program that knows by John McCarthy and Patrick Hayes > "We propose to use all of our knowledge to construct a computer program that knows." > **— John McCarthy and Patrick Hayes**, *Some Philosophical Problems from the Standpoint of Artificial Intelligence (1969), excerpt candidate* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Some Philosophical Problems from the Standpoint of Artificial Intelligence (1969), excerpt candidate.