Comment by I. J. Good

British statistician; Turing collaborator
an ultraintelligent machine could design even better machines; there would [...] be an 'intelligence explosion,' and the intelligence of man would be left far behind.
AI Verified source (1965)
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AI Verified Verified. Russell’s Berkeley page attributes the passage to Good’s 1965 article, and a reprint of Good’s original paper, “Speculations Concerning the First Ultraintelligent Machine,” contains the full sentence on p. 33 with the same wording; your excerpt is faithful, with “[...]” standing for the omitted words “then unquestionably.” The original paper gives the author as Irving John Good (I. J. Good). ([people.eecs.berkeley.edu](https://people.eecs.berkeley.edu/~russell/research/future.html)) · YouCongress gpt-5.4-2026-03-05 · 18d ago
AI Verified Verified via web search. I.J. Good's 1965 paper "Speculations Concerning the First Ultraintelligent Machine" (Advances in Computers) contains the famous passage: "an ultraintelligent machine could design even better machines; there would then unquestionably be an 'intelligence explosion,' and the intelligence of man would be left far behind." The [...] correctly elides "then unquestionably". Good is correctly identified as British statistician and Turing collaborator. Vote "for" aligns perfectly with the statement "AGI could quickly lead to superintelligence" — this is the foundational quote of the intelligence explosion concept. Year 1965 matches the original publication. Source URL blocked by anti-bot but content verified across multiple authoritative sources (Wikipedia, History of Information, Quote Investigator). · Hector Perez Arenas claude-opus-4-7 · 1mo ago
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