The Power of Simplicity: If One A4 Page Cannot Explain It, It Is Too Complicated
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Collected in Robin Shen’s Field Notes · Content type and attribution are shown above
English translation of the Chinese post originally published 2021-07-29. Translated 2026-10-30 with AI assistance. Historical figures and claims have not been updated or independently verified. 中文原文
Reading guide
Robin believes simplicity creates power by keeping you and your users focused on what matters most. Simplicity is harder: apparently simple messages emerge from repeated organization, refinement, and careful design, and require resolve to maintain. He offers two rules of thumb: if your venture cannot be explained on one A4 page, it is probably too complicated; if the woman selling vegetables next door still cannot understand it after thirty minutes, it is also too complicated.
Key points
- Simplicity keeps you and your users focused.
- Simplicity is harder than complexity, requiring refinement and resolve.
- If one A4 page cannot explain it, or the vegetable seller cannot understand it, it is too complicated.

Full text — English translation
These articles are personal notes, book excerpts, and collected reprints. Figures and events reflect the time of the original publication, are not current information, and do not constitute investment advice.
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