Ambrosiaster : By this service Paul and his companions are testing the Corinthians' attitude and magnifying the Lord. — COMMENTARY ON PAUL'S EPISTLES Apostolic Constitutions : Therefore, God has opened an entrance to all the sons of Abraham, and Isaac, and Jacob, in order that they may be in the faith of profession towards Him, — CONSTITUTIONS OF THE HOLY APOSTLES Philoxenus of Mabbug : And again Paul saith, "Ye have become obedient to the confession of the Gospel of Christ, and ye have become subject with them and with every man in your simplicity." — 13 Ascetic Discourses, Discourse 4 -- On Faith: First Discourse on Simplicity