Although, therefore, I am very confident of the piety of your heart in all things, and perceive that through the Spirit of God dwelling in you, you are sufficiently instructed, nor can any error delude your faith, yet I will endeavour to follow your bidding so far as to send certain of my brothers to represent my person before you, and to set forth what the Apostolic rule of Faith is, although, as I have said, it is well known to you, in all things making it clear and certain that they are not in any way to be reckoned among catholics, who do not accept the definitions of the venerable Synod of Nicæa or the ordinances of the holy Council of Chalcedon, inasmuch as it is evident the holy decrees of both proceed from the Evangelical and Apostolical source, and whatever is not of Christ’s watering is like a snake-poisoned draught. Your Majesty should understand beforehand, most venerable Emperor, that those whom I undertake to send will come from the Apostolic See, not to fight with the enemies of the Faith nor to strive against any, because of matters already settled as it has pleased God both at Nicæa and at Chalcedon we dare not enter upon any discussion, as if what so great an authority has fixed by the Holy Spirit were doubtful or weak.