My audience knows me, and I wear beautiful clothes as a badge of honor. They remember where I came from.
Not every man remembers the name of the cow which supplied him with each drop of milk he has drunk.
Schools are not intended to moralize a wicked world, but to impart knowledge and develop intelligence, with only two social aims in mind: prepare to take on one's share in the world's work, and perhaps in addition, lend a hand in improving society, after schooling is done.