HumilityIsKey to:
Ah, I get it. Humility is part of the loop. If that part is broken, the learning cycle is broken and you're stuck. A key is useful for unlocking, and then you put it away until the next time. In that sense HumilityIsKey. e.g. An idiot is an example of the cycle broken, and a perpetual arrogance is mistakeable for idiocy.