Principlev1
When students ask questions you cannot answer about your own
When students ask questions you cannot answer about your own technique, you have discovered the boundary of your explicit understanding—work on those gaps before teaching again.
Why This Is a Principle
Derives from axioms about the unreliability of self-assessed understanding (Illusion of Explanatory Depth), the power of externalization to expose gaps (Externalization Exposes Hidden Structure), and tacit knowledge (Tacit Knowledge Exceeds Linguistic Expression). This prescribes a specific teaching practice: use student confusion as diagnostic signal. It's actionable and general enough to apply across teaching contexts.