The Feynman Technique: The Ultimate Guide to Learning Anything Faster
Farnam Street (Shane Parrish), after Richard Feynman · 2012
"You don't actually understand something until you can explain it in plain language a 12-year-old could follow — complexity and jargon are usually masking a gap in your own understanding, not evidence of sophistication."
The technique has four steps: (1) pick a concept and write down everything you currently know about it; (2) try to explain it in words simple enough for a 12-year-old to follow; (3) go back to the source material wherever your explanation breaks down or gets vague, and refine it; (4) test your simplified explanation by actually teaching it to someone else without notes.
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The Disproportional Power of Anecdotes
"Anecdotes carry emotional weight far out of proportion to their statistical significance, leading us to overgeneralize from tiny, unrepresentative samples — a bias that shapes everything from personal judgments to public policy built on compelling but non-representative single stories."