Answer to Eunomius' Second Book
But that he himself also may be brought to the knowledge of his own trifling, we will convict him from his own statements. For in the course of his argument he says that God, in that He is without end, is ungenerate, and that, in that He is ungenerate, He is without end, as if the meanings of the two terms were identical. If, then, by reason of His being without end He is ungenerate, and the being without end and ungenerate are convertible terms, and he admits that the Son also is without end, by a parity of reasoning he must necessarily admit that the Son is ungenerate, if (as he has said) His being without end and His being without beginning are identical in meaning. For just as in the ungenerate he sees that which is without beginning, so he allows that in that which is without end also he sees that which is without beginning. For otherwise he would not have made the terms wholly convertible. But God, he says, is ungenerate by nature, and not by contrast with the ages. Well, who is there that contends that God is not by nature all that He is said to be? For we do not say that God is just, and almighty, and Father, and imperishable, by contrast with the ages, nor by His relation to any other thing that exists. But in connection with the subject itself, whatever He may be in His nature, we entertain every idea that is a reverent idea; so that supposing neither ages, nor any other created thing, had been made, God would no less be what we believe Him to be, being in no need of the ages to constitute Him what He is. “But,” says Eunomius, “He has a Life that is not extraneous, nor composite, nor admitting of differences; for He Himself is Life eternal by virtue of that Life itself immortal, by virtue of that immortality imperishable.” This we are taught respecting the Only-begotten as well; nor can any one impugn this teaching without openly opposing the declaration of S. John. For life was not brought in from without upon the Son either (for He says, “I am the Life”), nor is His Life either composite, nor does it admit difference, but by virtue of that life itself He is immortal (for in what else but in life can we see immortality?), and by virtue of that immortality He is imperishable. For that which is stronger than death must naturally be incapable of corruption.
Thus far our argument goes with him. But the riddle with which he accompanies his words we must leave to those trained in the wisdom of Prunicus to interpret: for he seems to have produced what he has said from that system. “Being incorruptible without beginning, He is ungenerate without end, being so called absolutely, and independently of anything beside Himself.” Now whoever has purged ears and an enlightened understanding knows, even without my saying it, that beyond the jingle of words produced by their extraordinary combination, there is no trace of sense in what he says; and if any shadow of an idea could be found in such a din of words, it would prove to be either profane or ridiculous. For what do you mean when you say that He is without beginning as being without end, and without end as being without beginning? Do you think beginning identical with end, and that the two words are employed in the same sense, just as the appellations Simon and Peter represent one and the same subject, and on this account, in accordance with your thinking beginning and end the same, did you, combining under one signification these two words which denote privation of each other—end, I mean, and beginning—and taking the being without end as convertible with the being without end, blend and confound one word with the other; and is this the meaning of such a mixing up of words, when you say that He is ungenerate as being without end, and that He is without end as being ungenerate? Yet how is it that you did not see the profanity as well as the ridiculous folly of your words? For if by this novel confusion of the words they are made convertible, so that ungenerate means ungenerate without end, and that which is without end is such ungenerately, it follows by necessity that that which is without end must needs be so as being ungenerate: and thus it comes to pass, my good friend, that your much-talked-of ungeneracy, which you say is the only characteristic of the Father's essence, will be found to be shared with whatever is immortal, and to be making all things consubstantial with the Father, because it is alike apparent in all things whose life, by reason of their immortality, goes on to infinity, archangels, that is, angels, human souls, and, it may be also, in the Apostate host, the Devil and his dæmons. For if that which is without end, and imperishable, must also by your argument be ungenerately imperishable, then in whatsoever is without end and imperishable there must be connoted ungeneracy. These are the absurdities into which those men fall who, before they have learned what it is fitting for them to learn, only publish their own ignorance by what they attempt to teach. For if he had any faculty of discernment, he would not be ignorant of the peculiar sense inherent in his terms, “without beginning,” and “without end,” and that the term without end is common to all things whose life we believe capable of extension to infinity, while the term without beginning belongs to Him alone Who is without originating cause. How, then, is it possible for us to regard that which is common to them all, as equivalent to that which is believed by all to be a special attribute of the Deity alone, so that we thereby either extend ungeneracy to everything that shares in immortality, or else must not allow immortality to any one of them, seeing that the being without end is to belong only to the ungenerate, and vice versa, the being ungenerate is to belong only to that which is without end? Thus everything without end would have to be regarded as ungenerate.
Source: Answer to Eunomius' Second Book (New Advent)