But as the Personal subsistence carry an order with them, the principle and origin being in the Father, whenever mention is made of the Father and Son, or of the Father and Spirit together, the name of God is specially given to the Father. In this way the unity of essence is retained, and respect is had to the order, which, however derogates in no respect from the divinity of the Son and Spirit. And surely since we have already seen how the apostles declare the Son of God to have been He whom Moses and the prophets declared to be Jehovah, we must always arrive at a unity of essence.