Ah, but the way to not forget it is to simply refresh it right before it's about to be forgotten. The idea behind SuperMemo, the software described in the artic

Ah, but the way to not forget it is to simply refresh it right before it's about to be forgotten. The idea behind SuperMemo, the software described in the article, is an attempt to do just that. Learn when it is your likely to forget and bring it up again around that time. It's a cleverly ingenious idea.