Primary source
Fooled by Randomness
Written by Nassim Nicholas Taleb · 2001 · grounds Nassim Nicholas Taleb
Overview
The first Incerto book. On the difference between skill and luck, why rare, unseen events dominate outcomes people attribute to competence, and how a trader survives long enough for competence to matter.
A full write-up of this book has not been published yet.
Skills drawn from this book
Installable Claude Code skills grounded in this text. Each one teaches a framework the book actually argues for.
/nassim-taleb:alternative-historiesJudge the Decision, Not the OutcomeScore choices by the full spread of histories they could have produced, not the one that happened to occur.
/nassim-taleb:count-the-monkeysCount the Monkeys Before You Trust a Track RecordA great track record only means something once you know how many others tried and quietly failed.
/nassim-taleb:match-the-observation-windowMatch Your Observation Window to Your Real Signal to Noise RatioHow often you check a number determines how much noise you mistake for meaning.
/nassim-taleb:weight-the-magnitudeWeight the Magnitude, Not Just the OddsA bet is not bullish or bearish, it is a probability times a payoff; compute the second number, not just the first.
/nassim-taleb:distrust-the-hot-streakDistrust the Track Record That Fits the Current Regime Too WellThe best performer in any given market moment is often just the trait that matched this cycle, not the most skilled.
/nassim-taleb:falsify-before-you-commitSet Your Falsification Point Before You ActDecide in advance what evidence would prove you wrong, and use data only to reject ideas, never to confirm them.