In like manner, the Fathers of the last, the Seventh, Œcumenical Synod, which was assembled in Nicæa, in 787, against the heresy of the Iconoclasts, after confirming the decisions of the six previous Œcumenical Synods, stated, in the first act of the Synod, that according to ancient tradition, delivered through the Holy Apostles and their successors, the Holy Fathers, “...those who are converted from some heresy to the Orthodox (orthodoxon) confession and the Tradition of the Œcumenical Church should deny in writing their [former] heresy and confess in writing the Orthodox Faith (ten orthodoxon pistin).” [¹⁸]