"Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity"
About this Quote
“Intuition” here isn’t mysticism; it’s pattern-sense, the ability to see a promising structure before you can justify it. “Ingenuity” is the engineering counterpart: the capacity to build a route from that glimpse to something checkable. Put together, the line sketches the cognitive loop behind discovery: conjecture, construction, verification. Turing’s deeper subtext is that mathematical work is a craft with methods, not an oracle that speaks only in theorems.
Context matters. Turing wrote and worked amid the early 20th century’s obsession with foundations - the push to mechanize reasoning, to reduce math to rules. He helped invent the very language of computation that makes that ambition plausible, then also showed its limits. This quote quietly holds those truths in tension. Yes, parts of reasoning can be systematized; no, the entire enterprise can’t be collapsed into procedure. By pairing intuition with ingenuity, Turing defends creativity as a structural requirement, not a decorative flourish - and in doing so, he anticipates today’s debates about what machines can automate and what they can only mimic.
Quote Details
| Topic | Reason & Logic |
|---|---|
| Source | Alan Turing — 'On Computable Numbers, with an Application to the Entscheidungsproblem' (1936). Contains the line: "Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity." |
| Cite |
Citation Formats
APA Style (7th ed.)
Turing, Alan. (2026, January 14). Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity. FixQuotes. https://fixquotes.com/quotes/mathematical-reasoning-may-be-regarded-rather-23580/
Chicago Style
Turing, Alan. "Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity." FixQuotes. January 14, 2026. https://fixquotes.com/quotes/mathematical-reasoning-may-be-regarded-rather-23580/.
MLA Style (9th ed.)
"Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity." FixQuotes, 14 Jan. 2026, https://fixquotes.com/quotes/mathematical-reasoning-may-be-regarded-rather-23580/. Accessed 7 Feb. 2026.










