Excellent piece which I’ve bookmarked to read again. I think Feynman would approve of your lucid description of the technique

I think an additional step might drive the acquired knowledge deeper. I’d suggest describing how the knowledge gained is valuable and how it relates to other domains or endeavors is important. It seems, in an era of hyper specialization, we run the risk of losing track of the broader world and how areas of study fit into the big picture. Without an integrative component, I don’t think we can ever say, we have mastered something