If it were otherwise, and the three persons were really one substance or thing (una res), we should be forced to admit that the Father and the Holy Spirit became incarnate along with the Son.
Jos olisi toisin, ja kolminaisuuden kolme persoonaa olisivat tosiasiassa yksi substanssi tai asia (una res), meidän olisi pakko myöntää, että Isä ja Pyhä Henki tulivat lihaksi Pojan mukana.