John Trapp on 1 Corinthians 11:19

Verſe 19. There muſt be hereſi[illegible: 1 letter]s] Therefore much more ſchiſmes, which alſo, for moſt part, do degenerate into hereſies; as an old Serpent into a Dragon. In the time of Pope Clement the fifth, Frederick King of Sicily was ſo offended at the evil government of the Church, that he began to queſtion the truth of the Chriſtian religion. But Arnoldus de villa nova confirmed and ſetled him by this and ſuch like places of Scripture, Offences muſt come, there muſt be hereſies, &c. God having ſo decreed and fore-told it.

May be made manifest] As they are now, if ever, in theſe ſhedding and diſcriminating times. So in the Palatinase they fell to Popery, as faſt as leaves in Autumn.