Exodus 33:20

1. I judge it necessary to add to these details also what, by garbling passages of Scripture, they try to persuade us concerning their Propator, who was unknown to all before the coming of Christ. Their object in this is to show that our Lord announced another Father than the Maker of this universe, whom, as we said before, they impiously declare to have been the fruit of a defect. For instance, when the prophet Isaiah says, “But Israel hath not known Me, and My people have not understood Me,” they pervert his words to mean ignorance of the invisible Bythus. And that which is spoken by Hosea, “There is no truth in them, nor the knowledge of God,” they strive to give the same reference. And, “There is none that understandeth, or that seeketh after God: they have all gone out of the way, they are together become unprofitable,” they maintain to be said concerning ignorance of Bythus. …

5. These things did the prophets set forth in a prophetical manner; but they did not, as some allege, [proclaim] that He who was seen by the prophets was a different [God], the Father of all being invisible. Yet this is what those [heretics] declare, who are altogether ignorant of the nature of prophecy. For prophecy is a prediction of things future, that is, a setting forth beforehand of those things which shall be afterwards. The prophets, then, indicated beforehand that God should be seen by men; as the Lord also says, “Blessed are the pure in heart, for they shall see God.” But in respect to His greatness, and His wonderful glory, “no man shall see God and live,” for the Father is incomprehensible; but in regard to His love, and kindness, and as to His infinite power, even this He grants to those who love Him, that is, to see God, which thing the prophets did also predict. …

9. And the Word spake to Moses, appearing before him, “just as any one might speak to his friend.” But Moses desired to see Him openly who was speaking with him, and was thus addressed: “Stand in the deep place of the rock, and with My hand I will cover thee. But when My splendour shall pass by, then thou shalt see My back parts, but My face thou shalt not see: for no man sees My face, and shall live.” Two facts are thus signified: that it is impossible for man to see God; and that, through the wisdom of God, man shall see Him in the last times, in the depth of a rock, that is, in His coming as a man. And for this reason did He [the Lord] confer with him face to face on the top of a mountain, Elias being also present, as the Gospel relates, He thus making good in the end the ancient promise.

11. If, then, neither Moses, nor Elias, nor Ezekiel, who had all many celestial visions, did see God; but if what they did see were similitudes of the splendour of the Lord, and prophecies of things to come; it is manifest that the Father is indeed invisible, of whom also the Lord said, “No man hath seen God at any time.” But His Word, as He Himself willed it, and for the benefit of those who beheld, did show the Father’s brightness, and explained His purposes (as also the Lord said: “The only-begotten God, which is in the bosom of the Father, He hath declared [Him];” and He does Himself also interpret the Word of the Father as being rich and great); not in one figure, nor in one character, did He appear to those seeing Him, but according to the reasons and effects aimed at in His dispensations, as it is written in Daniel. …

For that investigation, which accords with faith, which builds, on the foundation of faith, the august knowledge of the truth, we know to be the best. Now we know that neither things which are clear are made subjects of investigation, such as if it is day, while it is day; nor things unknown, and never destined to become clear, as whether the stars are even or odd in number; nor things convertible; and those are so which can be said equally by those who take the opposite side, as if what is in the womb is a living creature or not. A fourth mode is, when, from either side of those, there is advanced an unanswerable and irrefragable argument. If, then, the ground of inquiry, according to all of these modes, is removed, faith is established. …

And now, that I may briefly pass in review the other points which you have thus far been engaged in collecting, as mean, weak, and unworthy, for demolishing the Creator, I will propound them in a simple and definite statement: that God would have been unable to hold any intercourse with men, if He had not taken on Himself the emotions and affections of man, by means of which He could temper the strength of His majesty, which would no doubt have been incapable of endurance to the moderate capacity of man, by such a humiliation as was indeed degrading to Himself, but necessary for man, and such as on this very account became worthy of God, because nothing is so worthy of God as the salvation of man. If I were arguing with heathens, I should dwell more at length on this point; although with heretics too the discussion does not stand on very different grounds. …

You ought to be very much ashamed of yourself on this account too, for permitting him to appear on the retired mountain in the company of Moses and Elias, whom he had come to destroy. This, to be sure, was what he wished to be understood as the meaning of that voice from heaven: “This is my beloved Son, hear Him”, Him , that is, not Moses or Elias any longer. The voice alone, therefore, was enough, without the display of Moses and Elias; for, by expressly mentioning whom they were to hear, he must have forbidden all others from being heard. …

I am accustomed in my prescription against all heresies, to fix my compendious criterion (of truth) in the testimony of time ; claiming priority therein as our rule, and alleging lateness to be the characteristic of every heresy. This shall now be proved even by the apostle, when he says: “For the hope which is laid up for you in heaven, whereof ye heard before in the word of the truth of the gospel; which is come unto you, as it is unto all the world.” For if, even at that time, the tradition of the gospel had spread everywhere, how much more now! Now, if it is our gospel which has spread everywhere, rather than any heretical gospel, much less Marcion’s, which only dates from the reign of Antoninus, then ours will be the gospel of the apostles. But should Marcion’s gospel succeed in filling the whole world, it would not even in that case be entitled to the character of apostolic. …

Moreover, there comes to our aid, when we insist upon the Father and the Son as being Two , that regulating principle which has determined God to be invisible. When Moses in Egypt desired to see the face of the Lord, saying, “If therefore I have found grace in Thy sight, manifest Thyself unto me, that I may see Thee and know Thee,” God said, “Thou canst not see my face; for there shall no man see me, and live:” in other words, he who sees me shall die. Now we find that God has been seen by many persons, and yet that no one who saw Him died (at the sight). The truth is , they saw God according to the faculties of men, but not in accordance with the full glory of the Godhead. For the patriarchs are said to have seen God (as Abraham and Jacob), and the prophets (as, for instance Isaiah and Ezekiel), and yet they did not die. …

If I fail in resolving this article (of our faith) by passages which may admit of dispute out of the Old Testament, I will take out of the New Testament a confirmation of our view, that you may not straightway attribute to the Father every possible (relation and condition) which I ascribe to the Son. Behold, then, I find both in the Gospels and in the (writings of the) apostles a visible and an invisible God (revealed to us), under a manifest and personal distinction in the condition of both. There is a certain emphatic saying by John: “No man hath seen God at any time;” meaning, of course, at any previous time. But he has indeed taken away all question of time, by saying that God had never been seen. The apostle confirms this statement; for, speaking of God, he says, “Whom no man hath seen, nor can see;” because the man indeed would die who should see Him. …

But there were some who even then did not understand. For Thomas, who was so long incredulous, said: “Lord, we know not whither Thou goest; and how can we know the way? Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me. If ye had known me, ye would have known the Father also: but henceforth ye know Him, and have seen Him.” And now we come to Philip, who, roused with the expectation of seeing the Father, and not understanding in what sense he was to take “seeing the Father,” says: “Show us the Father, and it sufficeth us.” Then the Lord answered him: “Have I been so long time with you, and yet hast thou not known me, Philip?” Now whom does He say that they ought to have known? for this is the sole point of discussion. …

3. But as those who uphold this heresy are sometimes accustomed to mislead the hearts of the simple by certain deceptive sophisms, I do not consider it improper to bring forward the assertions which they are in the habit of making, and to refute their deceit and falsehood. The following, then, are their declarations. It is written, that “no man hath seen God at any time.” But that God whom Moses preaches was both seen by Moses himself, and by his fathers before him; whereas He who is announced by the Saviour has never been seen at all by any one. Let us therefore ask them and ourselves whether they maintain that He whom they acknowledge to be God, and allege to be a different God from the Creator, is visible or invisible. …