In the Liber Diurnus the Formulary of the Roman Chancery (from the fifth to the eleventh century), there is found the old formula for the papal oath...according to which every new Pope, on entering upon his office, had to swear that "he recognised the sixth Ecumenical Council, which smote with eternal anathema the originators of the heresy (Monotheletism), Sergius, Pyrrhus, etc., together with Honorius" (Charles Joseph Hefele, A History of the Councils of the Church (Edinburgh: Clark, 1896), Volume V, pp.
In the Liber Diurnus and Roman Chancery Formulary from the fifth to the eleventh century, there is an old oath formula...every new Pope had to swear that "he recognized the sixth Ecumenical Council, which condemned with eternal anathema the heretical originators (Monotheletism), such as Sergius, Pyrrhus, and Honorius" (Charles Joseph Hefele, A History of the Councils of the Church (Edinburgh: Clark, 1896), Volume V, pp.