“But you must not be discouraged and cast down by what you see. You must not think it a strange and unusual thing, that little hearts can be so full of sin. It is the only portion which our father Adam left us; it is that fallen nature with which we come into the world; it is that inheritance which belongs to us all. Let it rather make you more diligent in using every means which seem most likely, by God’s grace and blessing, to counteract the mischief (J.C. Ryle, The Duties of Parents, p. 50).”