Epistle of Ignatius to the Ephesians on whose account I rejoice exceedingly, and have had the privilege, by this Epistle, of conversing with "the saints which are at Ephesus, the faithful in Christ Jesus."[69] Irenaeus Against Heresies Book V on of His Spirit, tending towards perfection, and preparing us for incorruption, being little by little accustomed to receive and bear God; which also the apostle terms "an earnest," that is, a part of the honour which has been promised us by God, where he says in the Epistle to the Ephesians, "In which ye also, having heard the word of truth, the Gospel of your salvation, believing in which we have been sealed with the Holy Spirit of promise, which is the earnest of our inheritance."[47] Theophilus to Autolycus Book III Wherefore such men have necessarily lost the wisdom of God, and have not found the truth.If you please, then, study these things carefully, that you may have a compendium[56]