315. With respect to priests they ought to teach men the way to heaven, and should also lead them. They ought to teach them according to the doctrine of their Church from the Word; and should lead them so that they live according to that doctrine. The priests who teach truths, and through them lead to the good of life, and thus to the Lord, are the good shepherds of the sheep; but those who teach, and do not lead to the good of life, and thus to the Lord, are bad shepherds.