“Woe unto you, for ye shut up the kingdom against men; for ye neither go in yourselves, neither suffer ye them that are entering to go in.” But if to profit no one be a charge against a man, even to hurt and hinder, what plea hath that? But what means, “them that are entering in?” Them that are fit for it. For when they were to lay injunctions on others, they used to make the burdens intolerable, but when they themselves were to do any of the things required, on the contrary, so far from doing anything, they went much beyond this in wickedness, they even used to corrupt others. These are they that are called pests,who make their employment the ruin of others, standing right contrary to teachers. For if it be the part of a teacher to save that which is perishing, to destroy that which is on the point of being saved is that of a destroyer.