2 Again, our Lord Jesus Christ confesses this same Being as His Father, where He says: “I confess to you, O Father, Lord of heaven and earth.” What Father will those men have us to understand [by these words], those who are most perverse sophists of Pandora? Whether shall it be Bythus, whom they have fabled of themselves; or their Mother; or the Only-begotten? Or shall it be he whom the Marcionites or the others have invented as god (whom I indeed have amply demonstrated to be no god at all); or shall it be (what is really the case) the Maker of heaven and earth, whom also the prophets proclaimed—whom Christ, too, confesses as His Father,— whom also the law announces, saying: “Hear, O Israel; The Lord your God is one God?”
Source: Adversus haereses (New Advent)