In like manner, everyone who has received from God the power of distinguishing and yet follows an unskillful pastor and receives a false opinion for the truth shall be punished ... Be not deceived: if any man follows him who separates from the truth, he shall not inherit the kingdom of God; and if any man does not stand aloof from the preacher of falsehood he shall be condemned to Hell.
Ignatius of AntiochThe Lord did nothing either of himself or through his apostles without his Father, with whom he is united; so too, you should undertake nothing without the bishop and the presbyters priests.
Ignatius of AntiochWherever the bishop shall appear, there let the multitude also be; even as, wherever Jesus Christ is, there is the Catholic Church.
Ignatius of Antioch