The criteria for legitimate teaching is simple—faithful exposition of the will of God. The obligation to obey, to follow instruction, is absolute, as long as a teacher conforms to scripture. This is the criteria that should be used in evaluating Christian teachers, preachers, and leaders.
But in our verse today, there is a trenchant critique of leadership. Jesus points out that often leaders fail to practice what they preach, to embody the values they seek to inculcate. There is a divergence between their words and deeds. Too wide a divergence and teaching becomes hypocrisy.
How do you evaluate Christian leaders?
What dangers come when practice and values diverge?