# The survival of man depends on the early construction of an ultraintelligent machine by I. J. Good > "The survival of man depends on the early construction of an ultraintelligent machine." > **— I. J. Good**, *Speculations Concerning the First Ultraintelligent Machine (1965), attribution clue* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Speculations Concerning the First Ultraintelligent Machine (1965), attribution clue.