 He points out to the adherents of Luther the alarming progress which the sacramentarians had made and tries to prove the falsity of their doctrine by its diversity.In 1553 he issued "Recta fides de coena Domini", an exegetical discussion of 1 Cor.11 and the Words of Institution; in 1555 "Collectanea sententiarum D. Aurelii Augustini de coena Domini" and "Fides Cyrilli episcopi Alexandriae de praesentia corporis et sanguinis Christi".