Mental Models
The Quiet Power of Inversion
Most problems get easier when you flip them. Instead of asking how to succeed, ask what would guarantee failure — then avoid it.
Jun 3, 2026
Clearer thinking, weekly — mental models, decision-making, and the art of paying attention.
Decision-Making
Good decisions and good outcomes are not the same thing. On separating the quality of a choice from the luck that follows it.
Jun 3, 2026
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Mental Models
Most problems get easier when you flip them. Instead of asking how to succeed, ask what would guarantee failure — then avoid it.
Jun 3, 2026
Learning
Finishing a book is not the goal. Notes on reading slowly, arguing with the author, and keeping what actually matters.
May 14, 2026
Focus
Attention is the one resource you can't earn back. A practical case for guarding it like the scarce thing it is.
May 7, 2026
About
Idea Lee is a short weekly note for people who want to think better and live more deliberately. Written for the curious, kept free of clutter.