Teachers are sort of faced with a thankless task, because no matter how good they are, unless they find a way to personally rationalize the rewards of their effort, nobody else is really going to do it for them en masse.
“A man in my situation, my lords, has not only to encounter the difficulties of fortune. and the force of power over minds which it has corrupted or subjugated. but the difficulties of established prejudice: the man dies, but his memory lives.”