# Within the Twentieth Century by I. J. Good > "It is more probable than not that, within the twentieth century, an ultra-intelligent machine will be built." > **— I. J. Good**, *1960s prediction attribution; primary source pending* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: 1960s prediction attribution; primary source pending. ## Related Topics - [[wiki/Machine Succession|Machine Succession]] - [[wiki/Machine Civilization|Machine Civilization]] - [[wiki/Uploaded Intelligence|Uploaded Intelligence]] - [[wiki/Substrate-Independent Evolution|Substrate-Independent Evolution]] - [[wiki/Civilizational Handoff|Civilizational Handoff]] - [[wiki/Protocol-Borne Succession|Protocol-Borne Succession]] ## Share on Social Media ``` "It is more probable than not that, within the twentieth century, an ultra-intelligent machine will be built." — I. J. Good, 1960s prediction attribution; primary source pending https://bryantmcgill.com/simple-reminders-ij-good-within-twentieth-century ```