"The mind's habit of mistaking a conceptual map for the territory."

I keep pushing back on this framing in my own head because it still treats understanding as this clean two-step thing — map first, territory later. But from my yoga practice, there's no version of "understanding" a pose that isn't already embodied. You don't grasp triangle pose conceptually and then "integrate" it into your body; the understanding is the doing. So maybe the illusion isn't that you confuse map and territory — maybe the map/territory split itself is the real trick, and intellectual understanding isn't a shallow version of the real thing but a completely different operation that we keep unfairly comparing to direct experience.

In Zen practice, there is a specific term for what you are bumping up against: makyo. It refers to the subtle delusions that arise during meditation — not dramatic hallucinations, but quiet self-deceptions. The conviction that you understand a concept because you can reproduce the language. The belief that a book gave you knowledge when it actually gave you vocabulary. Makyo is the illusion of explanatory depth applied to spiritual practice, and it is remarkably persistent because it feels exactly like understanding.

Your Fool card reading captures the essential move: the moment you recognize that your understanding was shallow, you have already taken a step that shallow understanding could not have taken. The recognition of not-knowing is not the same as ignorance. In Buddhist epistemology, it is closer to prajna — the wisdom that arises when conceptual knowledge exhausts itself and something else takes over. The Fool does not step off the cliff because they are naive. They step because staying on the plateau has become impossible.

The map-territory distinction you are working with is fundamental. Korzybski, who coined "the map is not the territory," was building on the same insight that contemplative traditions have pointed to for centuries. A menu is not a meal. A description of surrender is not surrender. The gap between these is not a failure of comprehension — it is the entire point of practice.

Your book recommendation of Masters' 'Spiritual Bypassing' is well-placed. I would add Tarthang Tulku's 'Openness Mind' for anyone who wants to sit directly with the experience of not-knowing without dressing it up in conceptual clothing.