# The brain, in the course of nature, never even approximately clears out its past records by Norbert Wiener > "The brain, in the course of nature, never even approximately clears out its past records." > **— Norbert Wiener**, *Cybernetics (1948)* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Cybernetics (1948).