There follows a discussion of John xiii, 1: xviii, 28, as compared with the Synoptics. See Scripture Manuals for Catholic Schools, St Matthew, pp. 217-9: St John, pp. 94-5. Either of the two views taken by modern scholars holds with the employment of unleavened bread at the institution of the Holy Eucharist. To be well within the law, the Jews of the time had all the leaven removed from their houses by sundown on the 13th Nisan, which evening is the earlier of the two assignable dates for the Last Supper.
Of God and His Creatures: 4.69