"This original sin spreadeth over all human nature; forinasmuch as we were all then contained in Adam. Wherefore by one Adam sin hath passed into us all. And we are conceived and born with this blemish, as the Scripture teacheth us." - Catechism of St. Peter Moghyla.

“Those who have fallen into heresy and who continue in it are expelled from the Church as alien to it. So, how will they be allowed to enter the house of God?” - Johannes Zanaras, Interpretation of Timothy of Alexandrias 9th Canon.

"And if some fence off from someone not under the pretext of a crime, but because of heresy condemned by a council or the holy fathers, then they are worthy of honor and acceptance as Orthodox." - Aristenes, Interpretation of Canon 15 of the So-Called First-Second Council.

"Those who have fallen into heresy and who continue in it are expelled from the Church as alien to it. So, how will they be allowed to enter the house of God?" - Johannes Zonaras, Interpretation of Canon 9 of Timothy of Alexandria.

"He (Bp. Felix) preserved inviolate the doctrines set forth in the Nicene confession of faith, yet he held communion with those who had corrupted that faith. For this reason none of the citizens of Rome would enter the house of prayer while he was in it." - Theodoret of Cyrrhus.

“He had wanted Russian Orthodoxy to take up its cross and role as the loving protector of the whole Orthodox world” - The Life of Patriarch Nikon of Moscow

“Keep an eye on your bishops as far as their Orthodoxy is concerned lest they go so far as to teach doctrines against the true faith or celebrate with heretics and schismatics, thus reject them." - St. Gennadius Scholarius.

Vladyka Gregory Grabbe of Blessed Memory on the Heresy of Cyprian of Oropos and Fili.

“Even if one should give away all his possessions in the world, and yet be in communion with heresy, he cannot be a friend of God, but is rather an enemy.” - St. Theodore the Studite.

“Let no Christian have aught in common with men of this kind [Monophysites] let him have no alliance or intercourse with such.” - St. Leo the Great.

“Those that are not reborn by the divine grace in the only one, holy, catholic, and apostolic Church, they do not comprise any church, either visible or invisible.” - St. Nektarios of Aegina.

"The Church is compelled to say that they are anathema, that is, apostates, and have cut themselves off from communion with the Church." - St. Philaret the New Confessor.

"Our church is of the opinion and proposes that we abide therein where we find ourselves today. For it is impossible not to violate the prescriptions of the canons should we wish to consider some change or reform of the Julian calendar" - Holy Synod of Romania, 1903.

“Flee, brethren! Flee communion with the incommunicable and the commemoration of the uncommemorative.” - St. Mark of Ephesus, The Great Synaxaristes, p. 765.

"And he preaches the Sacred Gospel, and contends for the Orthodox faith, and those that refuse to hear he casts out of the Church as heathens and publicans, and he puts heretics under excommunication and anathema, and lays down his own life for the sheep." - Dositheus Notaras.

"If he will turn out to be a heretic, we will not receive his teaching or his Communion, and not only will we receive no Communion from him, but we will condemn him and expose him with all our power, so that we do not become partakers of his perdition.” - Joseph Volotsky.

"John Chrysostom loudly declares not only heretics, but also those who have communion with them, to be enemies of God.” - St. Theodore the Studite, Epistle to Abbot Theophilus.

“Metropolitan Sergius fell away from the Church; that is, by his actions, he violated the canons of the Church; Metropolitan Sergius is no longer within the bosom of the Orthodox Church." - New Hieromartyr Archbishop Seraphim Samoilovich of Uglich.

“Because heresy is estrangement from God. The heretic is separated from the living and true God and is a communicant with the devil and his angels.” - St. Ignatius Brianchaninov, The Patericon.

“The leadership of many local new calendar Churches -- that is, bishops, other clergy,theologians, etc. -- have been overcome by Masonry. Well-known church leaders are accused of being Masons." - Orthodox Typos, December 9, 1988.