> TL;DR: Study foundational blocks by repeating then until you understand. Keep repeating as you build knowledge and move to "harder" things.

If I just read that, I'd file that away as "something someone once said on the internet," wouldn't give it much weight, and would forget about. I see dozens of competing one-liners like that every day.

The story made the message much stronger, made me believe it, and will make me remember it.