John Keble, Sermons, Occasional and Parochial (Oxford: James Parker and Co., 1868), Sermon III on Luke 16:31 ("If they hear not Moses and the Prophets..."), p. 37.

Finally, if ye know these things, ye are but the more unhappy, except ye do them. It is not your calling yourselves Christians, nor even your believing the Gospel when you happen to think of it, that will make you worthy…