"If anyone, according to the holy Fathers, does not reject and anathematize with soul and mouth all those whom he rejects and anathematizes, the most impious heretics with all their impious writings, even to the very last of them, let him be condemned by the holy Catholic and Apostolic Church of God, that is, by the holy and universal five Synods, and by all the Fathers of the Church who agree with them... Therefore, if anyone, according to what has been said, does not reject and anathematize with us all these most impious dogmas of that heresy, and those things that were written for them or in their definitions by anyone impiously, and the named heretics... we say... let him be condemned."
Pope Saint Martin I, Sacrosanct Lateran Council, Session V, 31 October 649, Canon 18; Mansi, Vol. X, Col. 1157-1158, 1159-1160; Denzinger, n. 271-272.