> That seems like a learning cul-de-sac, sort of like trying to learn a city only by following turn-by-turn directions and never looking at a map. You're going

> That seems like a learning cul-de-sac, sort of like trying to learn a city only by following turn-by-turn directions and never looking at a map. You're going to have no idea all kinds of things are even there. But you do walk the streets. Sometimes learning this way lets you deliver on stuff way faster, even if you don't understand the whole.