Institutio vera de praecipuis fidei articulis

1, 2, 3, 16, 22; Isaiah 4, 7; Jeremiah 23; Colossians 1; Romans 1, 8; Psalm 2. The followers of Francis Blandrata lie when they say that Christ the man, the Son of God, is Iehouah Jehovah from the Holy Spirit, or because of the one fullness of the Deity, for these reasons. First, because the Holy Spirit is not the Father of Christ, neither according to the Logos Word nor according to the flesh. Second, one Deity, the fullness of the Deity, is common to the three witnesses; just as the three witnesses, or the Trinity, cannot be the Son. Thus, one somatica bodily or essential fullness of the Deity, which is the one sole power and potentiality of the Trinity, cannot be the Son, nor the Mediator.

TWENTIETH INSTITUTION.
Just as one sole weak flesh, without the Logos Word, the only-begotten Son of God, cannot be the only-begotten Son of God, Iehouah Jehovah, Immanuel, Creator, infinite, eternal, one sole God: so the weak flesh, the son of David, the Justice, the Salvation, the Mediator, the restorer of all, can be neither through itself nor with the fullness without the Logos Word of God, the only-begotten Son of God, proper and begotten from eternity. For just as one Deity, one God, cannot be the begotten Son and mediator, because a mediator is not of one (Galatians 3, 4), but between two different parties: so one fullness of the Deity, which is the one power of the Trinity, can be neither the Son of God only-begotten by the Father, nor the mediator. But just as one sole...