Third Council of Constantinople (680–681)

Letter of the Council to St. Agatho. (Found in Migne, Pat. Lat., Tom. LXXXVII., col. 1247 et seqq.; and Labbe and Cossart, Concilia, Tom. VI., col. 1071 et seqq.) A copy of the letter sent by the ho

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Extracts from the Acts. Session I. (Labbe and Cossart, Concilia, Tom. VI., col. 609 et seqq.) [After a history of the assembly of the Council, the Acts begin with the Speech of the Papal Legates, a

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Extracts from the Acts. Session VIII. (Labbe and Cossart, Concilia, Tom. VI., col. 730.) [The Emperor said] Let George, the most holy archbishop of this our God-preserved city, and let Macarius, t

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Session XVI. (Labbe and Cossart, Concilia, Tom. VI., col. 1010.) [The Acclamations of the Fathers.] Many years to the Emperor! Many years to Constantine, our great Emperor! Many years to the Orthod

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The Imperial Edict Posted in the Third Atrium of the Great Church Near What is Called Dicymbala. In the name of our Lord and Master Jesus Christ, our God and Saviour, the most pious Emperor, the peac

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How then can that now be asserted which never was said by the holy orthodox fathers, nor even was presumptuously invented by the profane heretics, viz.: that of the two natures of Christ, the divine a

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And these things we have taken pains to insert in the tractate of our humility, for we have been afflicted and have groaned without ceasing that such grievous errors should be entertained by bishops o

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The Sentence Against the Monothelites. Session XIII. (L. and C., Concilia, Tom. VI., col. 943.) The holy council said: After we had reconsidered, according to our promise which we had made to your

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We must now consider unity as regards the will; and under this head there are six points of inquiry: (1) Whether the Divine will and the human are distinct in Christ? (2) Whether in Christ's human n

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Moreover, most pious and God-instructed sons and lords, if the Archbishop of the Church of Constantinople shall choose to hold and to preach with us this most unblameable rule of Apostolic doctrine of

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We must now consider the unity of Christ's operation; and under this head there are four points of inquiry: (1) Whether in Christ there was one or several operations of the Godhead and Manhood? (2)

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Confessing, then, the same Jesus Christ, our Lord, to be perfect God and perfect man, we hold that the same has all the attributes of the Father save that of being ingenerate, and all the attributes o

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The Letter of Pope Agatho. (Found in Migne, Pat. Lat., Tom. LXXXVII., col. 1161; L. and C., Tom. VI., col. 630.) Agatho a bishop and servant of the servants of God to the most devout and serene vict

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Therefore in Christ the human nature has its proper form and power whereby it acts; and so has the Divine. Hence the human nature has its proper operation distinct from the Divine, and conversely. Nev

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Canon LXXIII. Since the life-giving cross has shewn to us Salvation, we should be careful that we render due honour to that by which we were saved from the ancient fall. Wherefore, in mind, in word,

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Canon LXXXI. Whereas we have heard that in some places in the hymn Trisagion there is added after “Holy and Immortal,” “Who was crucified for us, have mercy upon us,” and since this as being alien to

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This is the pure expression of piety. This is the true and immaculate profession of the Christian religion, not invented by human cunning, but which was taught by the Holy Ghost through the princes of

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From which testimonies it is clear that each of those natures which the spiritual Doctor has here enumerated has its own natural property, and that to each one a will ought to be assigned. For an ange

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We must now consider Christ's knowledge; concerning which the consideration will be twofold. First, of Christ's knowledge in general; secondly, of each particular kind of knowledge He had. Under the

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If anyone uses the expression “of two natures,” confessing that a union was made of the Godhead and of the humanity, or the expression “the one nature made flesh of God the Word,” and shall not so und

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