> However, eventually you’ll reach a stopping point where you can’t explain. That’s the precise gap in your understanding that you need to fill. This is a usef

> However, eventually you’ll reach a stopping point where you can’t explain. That’s the precise gap in your understanding that you need to fill. This is a useful technique, giving motivation and focus. Though imperfect: it can't detect incorrect understandings that seem consistent. But to be fair, that's a tricky case.