Temper Line
The boundary between hard and soft steel that you design, not eliminate. Writing on tacit knowledge, product craft, and the moment ambiguity gets structured.
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Stay Close Enough to Stop
Sometimes the discipline of staying close to the work tells you what to build. Sometimes it tells you to stop.
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Reset to Zero
Every decision up the chain was rational. The information between them wasn't. What it costs an organization to perform certainty it doesn't have.
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Great PMs Don't Agonize
There's a permanent gap between what's documented and what's real. Great builders stop trying to close it and start working inside it.