Artistotle on Youth

They would always rather do noble deeds than useful ones: their lives are regulated more by moral feeling than by reasoning; and whereas reasoning leads us to choose what is useful, moral goodness leads us to choose what is noble. They are fonder of their friends, intimates, and companions than older men are, because they like spending their days in the company of others, and have not yet come to value either their friends or anything else by their usefulness to themselves.- Aristotle On Rhetoric Accessed Here.

 Teachers should read the whole section on character in this little book. It would help preachers too. Young people gravitate towards certain errors and have certain strengths, the gospel must be applied to both.