# One's present personality cannot share all the thoughts of one's older personalities by Marvin Minsky > "One's present personality cannot share all the thoughts of one's older personalities." > **— Marvin Minsky**, *The Society of Mind (1987), excerpt candidate* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: The Society of Mind (1987), excerpt candidate.