A lesson is a memory that has acquired specific utility.

It is not only that something happened. It is that this has a use — generally in a life, and also in a particular context. That is closer to equipment than to an episode. Serve should reach for lessons first, memories when the toward still needs the particular, and experience almost never.

Dreaming is one way a memory gets proposed as a lesson. Reconcile is what makes the promotion durable. The move from trace to brick to useful structure is the thing, even if a better name than “lesson” appears later.

A lesson may stay tied to the memories that formed it, so it can be unwound when the compaction was wrong. It may also detach and live as a standalone method. Which of those is safer is still open. Detachment travels; it also forgets its evidence.

A philosophical exploration in memory systems, part 12. Terms · Previous: Bricks · Next: Capacity