Alan Turing — "If you cannot explain it simply, you do not understand it well enough."
If you cannot explain it simply, you do not understand it well enough.
Get This Quote & Author's Image Illustrated On:
Click any product to generate a realistic preview. Up to 3 at a time.
* Initial load can take up to 90 seconds — revising the preview in another color is nearly instant.
Kitchen
Apparel
Other
More from Alan Turing
"A smallish proportion are supercritical. An idea presented to such a mind may give rise to a whole 'theory' consisting of secondary, tertiary and more remote ideas. Animals' minds seem to be very defi…"
"The computer is a medium for thought."
"The new form of the problem can be described in terms of a game which we call the 'imitation game.' It is played with three people, a man (A), a woman (B), and an interrogator (C) who may be of either…"
"We are trying to make a brain."
"The machine should be able to learn from experience."
Details
Attributed to various people, including Albert Einstein, not definitively Turing.
Date: Unknown
GeneralVerification
Unverifiable
Found in 1 providers: grok
1 source checked
Understanding this quote
What it means
True understanding reveals itself through the ability to strip complexity down to its essentials without losing accuracy. Anyone can recite technical jargon, but only someone who genuinely grasps a concept can reduce it to plain language. Clarity is not a dumbed-down substitute for knowledge—it is the test of mastery, exposing hidden gaps in thinking that layers of complexity tend to obscure.
Relevance to Alan Turing
Turing spent his career translating abstract mathematical logic—computability, decidability, formal systems—into working machines and practical codebreaking. At Bletchley Park he had to justify the Bombe device to military commanders with no mathematical background. His 1950 Turing Test paper reframed machine intelligence in plain behavioral terms anyone could evaluate. Bridging theoretical abstraction and operational clarity was not incidental to his work; it was the method.
The era
Turing worked through the 1930s–1950s, when mathematics and nascent computing were inaccessible to nearly everyone outside academia. Wartime codebreaking demanded urgent communication with military decision-makers lacking technical training. Post-war, early computers required justification to skeptical government funders. Computer science had no shared vocabulary or textbooks yet. Making complex ideas plainly understandable was not merely intellectual virtue—it was operationally necessary for survival, funding, and the field's legitimacy.
AI-generated insights based on extensive research and information for context. Factual errors? Email [email protected].