> The end result is the following algorithm: “let’s present you with the toughest things you can’t remember over and over again, and ignore all the facts you’ve

> The end result is the following algorithm: “let’s present you with the toughest things you can’t remember over and over again, and ignore all the facts you’ve done so well at learning (until you have almost, or completely, forgotten those facts)” In my understanding, that's closer to optimal. Effortful retrieval is much more effective at strengthening future retrieval.