Questions that vanish once they are resolved

Frederic loses a question he was about to ask.

The Wonders call this a good thing: questions that disappear have in some way been answered.

He observes that once something is dealt with it no longer enters consciousness at all, which is why it is hard to explain to others how one resolved it.

The Wonders agree, mocking the demand to list the ten steps taken from A to Z when in fact one simply took a single step without knowing how.