The Trinity

For nothing at all of the divine and blessed Trinity is created.

but the manner of the divine begetting is unspeakable and inconceivable to human reasonings.

The Holy Spirit is numbered together with the Father and the Son, because he too is above creation;

as if even in this way the One were not all things, since all things are from the One, namely through unity of substance, and as if none the less the mystery of the oikonomia were not safeguarded, which arranges the unity into a trinity, setting in their order three — Father and Son and Holy Spirit — three, however, not in condition but in sequence, not in substance but in form, not in power but i …

Hold everywhere to this rule, which I have professed — by which I attest the Father and the Son and the Spirit to be inseparable from one another — and so you will recognize what is said, and how.

You, however, would make him a liar, deceiver, and beguiler of this faith, if, while he was himself his own son, he gave to another the person of a son — when all the Scriptures show forth both the demonstration and the distinction of the trinity, from which our prescription too is derived:

So too the angel, the arbiter of baptism, makes the ways straight for the Holy Spirit who is to supervene, by the washing-away of transgressions which faith — sealed in the Father and the Son and the Holy Spirit — obtains.

Go, he says, teach the nations, baptizing them into the name of the Father and of the Son and of the Holy Spirit.