"Christians are baptized in the name of the Father and of the Son and of the Holy Spirit: not in their names, [Cf. Profession of faith of Pope Vigilius I (552): DS 415.] for there is only one God ...
We believe in one God, the Father, the Almighty, maker of heaven and earth. … We believe in One Lord, Jesus Christ, the only Son of God … of one Being with the Father … [who] was made man ...