I think the teacher should be a model for his students. A model of virtues and values.
He should set examples.
He cannot well educate his students unless he is a model of virtues and values. You can’t give what you don’t have. You can educate if you are a well educated person.
Kids and people in general today need values. Our society partially is sick some people say and it needs values, and supernatural values alike. I mean, society today needs God and the values that appear in the New Testament of the Bible.
And only can experts in humanities and Christianity give good values to our society, as more or less stated Blessed John Paul II about 1985. / Photo from: street sweeper. auto howstuffworks com