# Hack, then engineer

August 2026 · operations

Duct tape is correct during validation: fast, cheap, unashamed. Load-bearing engineering is correct after validation: built to carry the weight the validated numbers require, with a safety factor.

Most expensive failures come from one of two confusions: engineering before validating — polishing something whose biggest assumption is still standing — or hacking long after the evidence demanded better.

The skill is not choosing a mode once. It is knowing, at any moment, which mode the evidence currently requires — and switching without sentimentality when it changes.

[Back to the lessons](/notes)
