Circle of Competence

Know what you know and what you don't. The edge of your circle is where danger lies.

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Why Most Startups Fail
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The CHIPS Act Reshoring Challenge
The Man Who 'Obviously' Failed to Stop Hitler
The Apple Genius Who Broke JCPenney

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“You’ve got to have models in your head. And you’ve got to array your experience — both vicarious and direct — on this latticework of models.”— Charlie Munger

© 2024–2026 Leema LLC. All rights reserved.

Scenarios are AI-generated explorations of mental models applied to real-world events. Visualizations, design, and software are original works of Leema LLC.

Mental model descriptions draw on published scholarship including Munger, Kahneman, Taleb, Meadows, and others. These are learning aids, not substitutes for the cited works.

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