I agree that learning a subject in mathematics requires going through it several times at increasing levels of sophistication. That way, one gradually develops

I agree that learning a subject in mathematics requires going through it several times at increasing levels of sophistication. That way, one gradually develops a level of mathematical maturity that allows an appreciation of abstraction. I read about half of this. It’s nearly incomprehensible to me - I’d have to dig to find out what he’s trying to accomplish. He’s going out of his way to introduce novelty and it appears he will try anything except address the subject directly.