Theses theologicae de sacrosancta trinitate contra antitrinitarios

XIX.

For this reason, God takes this name for Himself, and shares it with no creature. Isa. 42: I am Jehovah, this is my name, and I will not give my glory to another.

XX.

Whence the blindness of the heathens is rightly to be deplored, who, in place of the one true God—whose immortal glory they could nonetheless recognize to a certain extent from the visible works of this world—have invented ἄλογον θεῶν an irrational (multitude) of gods.

XXI.

The insanity of the Valentinians and Manichaeans is also to be detested, who fabricated two gods and two principles of things.

XXII.

No less are the errors of others to be condemned, who indeed profess one God by word, but in reality introduce a plurality of gods: of whom later.

XXIII.

Furthermore, the prophetic and Apostolic Scripture sets before us this one God in essence and number, yet Trine in persons.

XXIV.

A person or ὑπόστασις hypostasis/person is commonly defined as an individual, intelligent substance, truly and by itself subsisting, incommunicable, which is not conserved in another.

XXV.

And although this mystery of the Trinity became known more clearly in the New Testament than in the Old, God did not remain silent about it in the latter; rather, He revealed it in many places, though not with the same perspicuity as in the New Testament, for which this light was reserved. We will bring forth some passages to refute the Jews who acknowledge one person in God just as they acknowledge one essence.

XXVI.

Moses, in Gen. 1, ascribes the creation of things to the whole Trinity; he says בָּרָא אֱלֹהִים Elohim created, that is: The Gods created; by the word אֱלֹהִים Elohim denoting a multitude of persons, but by the singular verb בָּרָא created denoting the unity of essence.

XXVII.

And indeed, those three persons are expressed there: first the Father; then, as often as Moses repeats, "And God said," there he proclaims the λόγον Logos as creator. For we do not understand by that λόγον, by which God created all things, a certain word vanishing in the air in the human fashion, but the substantial λόγον or Word of the Father. The Holy Spirit...