Machiavelli's teaching would hardly have stood the test of Parliamentary government, for public discussion demands at least the profession of good faith.
Someone who wants to write should make an effort to write a little something every day. Writing in this sense is the same as athletes who practice a sport every day to keep their skills honed.
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.

