Gregorii de Valentia, Societatis Iesu, Oratio de veris ac falsis rerum divinarum doctoribus discernendis

and unadulterated, and incorruptible. For these both guard our faith in the one God, who made all things, and increase the love which is in the Son of God, and explain the Scriptures to us without danger. From this oration of Saint Irenaeus, and especially also from the place of the Apostle which he commemorates, it should be understood that the authority of teachers of divine matters, the uncorrupted truth of doctrine, and the true Church of Christ are so joined and coherent among themselves that no one thing of these three can stand without the other two. For if Teachers are set divinely in the Church, and set for this purpose, that they both lead the minds of men to the knowledge of the truth
Book 1, Pedagogue, cap. 1.

(as Clement of Alexandria says) and also confirm them in the knowledge of the truth by their own authority, and they are not carried about by every wind of doctrine, as
To Ephesians 4.

the Apostle warns: surely it cannot be that that assembly is of the Church, which does not have Teachers whom God gave to the Church; or that those Teachers are lacking in true doctrine, whom God gave for that purpose, that they themselves might impart the truth to others, or that the truth of doctrine can be somewhere without the ministry of true Teachers, whose labor God willed to use in this kind.