Alan Turing — "The idea of a 'thinking machine' has been considered by many, but the time for s…"

The idea of a 'thinking machine' has been considered by many, but the time for such a possibility is still far off.
Alan Turing — Alan Turing Modern · Computer science, codebreaking

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Lecture to the London Mathematical Society

Date: 1947

Power & Leadership

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Understanding this quote

What it means

Some ideas arrive long before the tools to realize them. Machine thought was one such idea — discussed by philosophers and scientists for centuries, yet nowhere close to practical reality. This expresses the honest gap between human imagination and human capability: we can conceive of something extraordinary, acknowledge its plausibility, and still recognize that engineering it may take generations.

Relevance to Alan Turing

Turing's 1950 paper "Computing Machinery and Intelligence" proposed the Turing Test, seriously arguing that machines could eventually imitate human thought convincingly. A man who cracked Nazi Enigma at Bletchley Park with mechanical precision, Turing bridged mathematics and cognition his entire career. He believed machine intelligence was achievable — yet his scientific discipline demanded acknowledging the enormous gap between theoretical possibility and practical engineering reality.

The era

In the 1940s and early 1950s, computers were massive, single-purpose calculating machines filling entire rooms. World War II had just ended and the electronic computer was barely born — ENIAC debuted in 1946. Philosophers and scientists fiercely debated whether thinking could ever be mechanical. Against this backdrop, speculating about artificial intelligence was genuinely radical, making even cautious statements about its timeline carry enormous weight.

AI-generated insights based on extensive research and information for context. Factual errors? Email [email protected].

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