You will never truly know yourself or the strength of your relationships until both have been tested by adversity. — J. K. Rowling. British author (born 1965) Adversity
His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof.
If you're holding out for universal popularity, I'm afraid you will be in this cabin for a very long time.