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# "The first principle is that you must not fool yourself—and you are the easiest person to fool"
- URL: https://memorandom.ghost.io/6ab954aa14d72900012799c5/
- Published: 2026-09-27T18:22:01.000Z
- Updated: 2026-09-27T18:27:35.000Z
- Author: MajorMemo@pm.me

## [***Richard Feynman***](https://en.wikipedia.org/wiki/Richard%5FFeynman?ref=memorandom.ghost.io)***, Caltech commencement address, 1974***