Ambrosiaster : God wants us to be set apart from all contamination so that he can receive us as his children. By this testimony Paul exhorts us to a pure life. He shows that Jesus Christ was already our Lord in ancient times and was predestined to receive us in the fondness of his love. — COMMENTARY ON PAUL'S EPISTLES Clement of Alexandria : Paul is prophetic in telling us to put up a barrier, not between ourselves and the married but between ourselves and the Gentiles who are still living immorally, and also from those heresies which believe neither in chastity nor in God. — The Stromata Book 3 John Chrysostom : "And I will be to you a Father, and ye shall be to me sons and daughters, saith the Lord." Seest thou how from the beginning the Prophet fore-announceth our present high birth, the Regeneration by grace? — Homily 13 on 2 Corinthians