Brevis admonitio Joannis Calvini ad fratres Polonos, ne triplicem in Deo essentiam pro tribus personis imaginando, tres sibi Deos fabricent

at last, when we shall enjoy in substance the familiar and, as they say, immediate sight of the deity, which now shines back in an image. Let Stancarus now shout that we are Arians; the futility of this slander will vanish at once, since we admit that what is rightly adapted to the person of the Mediator does not fall into the divine nature. But where we recognize three distinct hypostases in the one essence of God, so that with respect to Christ his Father is the one God, while he himself is the image of the invisible God, there is nothing in this doctrine akin to the error of Sabellius. But let those who are so greatly delighted by perpetual distinction take care not to mix and confuse everything; because by restricting the name of deity everywhere to the name of the Father, they soon tear it into parts where they wish it to be common to the Son and the Spirit. Furthermore, the cause of their hallucination is that they observe no difference between the two types of knowledge: where the majesty of God is described to us indefinitely, and then where it reveals itself in three Persons. And the unity that we assert is so true that while Christ is called God separately, the deity of the Father is comprehended at the same time. For where Thomas exclaims, “Lord...”