Tertullian Against Marcion Book IV of the prayer what God is addressed therein. To whom can I say, "Father? "[1051] Archelaus Acts of the Disputation with the Heresiarch Manes And to whom, then, did the Lord Jesus address Himself, when in these terms He taught men to pray: "When ye pray, say, Our Father which art in heaven; "[164] Acts of the Holy Apostle Thomas and not only hast Thou given us this, but hast also taught us how to pray;[52]