7. Marvel not that I said to you, You must be born again.
8. The wind blows where it lists, and you hear the sound thereof, but can not tell whence it comes, and whither it goes; so is every one that is born of the Spirit.
CHRYS Do not look then for any material production, or think that the Spirit generates flesh; for even the Lord's flesh is generated not by the Spirit only, but also by the flesh. That which is born of the Spirit is spiritual. The birth here spoken of takes place not according to our substance, but according to honor and grace. But the birth of the Son of God is otherwise; for else what would He have been more than all who are born again? And He would be proved too inferior to the Spirit, inasmuch as His birth would be by the grace of the Spirit. How does this differ from the Jewish doctrine? - But mark next the part of the Holy Spirit, in the divine work. For whereas above some are said to be born of God, here, we find, the Spirit generates them. - The wonder of Nicodemus being roused again by the words, He who is born of the Spirit is spirit, Christ meets him again with an instance from nature; Marvel not that I said to you, You must be born again. The expression, Marvel not, shows that Nicodemus was surprised at His doctrine. He takes for this instance some thing, not of the grossness of other bodily things, but still removed from the incorporeal nature, the wind; The wind blows where it lists, and you hear the sound thereof, but can not tell whence it comes, and whither it goes: so is every one that is born of the Spirit. That is to say, if no one can restrain the wind from going where it will; much less can the laws of nature, whether the condition of our natural birth, or any other, restrain the action of the Spirit. That He speaks of the wind here is plain, from His saving, You hear the sound thereof, i.e. its noise when it strikes objects. He would not in talking to an unbeliever and ignorant person, so describe the action of the Spirit. He says, Blows where it lists; not meaning any power of choice in the wind, but only its natural movements, in their uncontrolled power. But can not tell whence it comes or whither it goes; i.e. If you can not explain the action of this wind which comes under the cognizance both of your feeling and hearing, why examine into the operation of the Divine Spirit? He adds, So is every one that is born of the Spirit.
AUG. But who of us does not see, for example, that the south wind blows from south to north, another wind from the east, another from the west? And how then do we not know whence the wind comes, and whither it goes?
BEDE. It is the Holy Spirit therefore, Who blows where He lists. It is in His own power to choose, whose heart to visit with in His enlightening grace. And you hear the sound thereof. When one filled with the Holy Spirit is present with you and speaks to you.
AUG. The Psalm sounds, the Gospel sounds, the Divine Word sounds; it is the sound of the Spirit. This means that the Holy Spirit is invisibly present in the Word and Sacrament, to accomplish our birth.
ALCUIN. Therefore, You know not whence it comes, or whither it goes; for, although the Spirit should possess a person in your presence at a particular time, it could not be seen how He entered into him, or how He went away again, because He is invisible.
HAYMO. Or, You can not tell whence it comes; i.e. you know not how He brings believers to the faith; or whither it goes, i.e. how He directs the faithful to their hope. And so is every one that is born of the Spirit; as if He said, The Holy Spirit is an invisible Spirit; and in like manner, every one who is born of the Spirit is born invisibly.
AUG. Or thus: If you are born of the Spirit, you will be such, that he, who is not yet born of the Spirit, will not know whence you come, or whither you go. For it follows, So is every one that is born of the Spirit.
THEOPHYL. This completely refutes Macedonius the impugner of the Spirit, who asserted that the Holy Ghost was a servant. The Holy Ghost, we find, works by His own power, where here He will, and what He will.
9. Nicodemus answered and said to him, How can these things be?
10. Jesus answered and said to him, Are you a master of Israel, and know not these things?
11. Verily, verily, I say to you, We speak that we do know, and testify that we have seen; and you receive not our witness.
12. If I have told you earthly things, and you believe not, how shall you believe, if I tell you of heavenly things.
HAYMO. Nicodemus cannot take in the mysteries of the Divine Majesty, which our Lord reveals, and therefore asks how it is, not denying the fact, not meaning any censure, but wishing to be informed: Nicodemus answered and said to Him, How can these things be?
CHRYS. Forasmuch then as he still remains a Jew, and, after such clear evidence, persists in a low and carnal system, Christ addresses him henceforth with greater severity: Jesus answered and said to him, Are you a master in Israel, and know not these things?
AUG. What think we? that our Lord wished to insult this master in Israel? He wished him to be born of the Spirit: and no one is born of the Spirit except he is made humble; for this very humility it is, which makes us to be born of the Spirit. He however was inflated with his eminence as a master, and thought himself of importance because he was a doctor of the Jews. Our Lord then casts down his pride, in order that he may be born of the Spirit.
CHRYS. Nevertheless He does not charge the man with wickedness, but only with want of wisdom, and enlightenment. But some one will say, What connection has this birth, of which Christ speaks, with Jewish doctrines? Thus much. The first man that was made, the woman that was made out of his rib, the barren that bare, the miracles which were worked by means of water, I mean, Elijah's bringing up the iron from the river, the passage of the Red Sea, and Naaman the Syrian's purification in the Jordan, were all types and figures of the spiritual birth, and of the purification which was to take place thereby. Many passages in the Prophets too have a hidden reference to this birth: as that in the Psalms, Making you young and lusty as an eagle: and, Blessed is he whose unrighteousness is forgiven. And again, Isaac was a type of this birth. Referring to these passages, our Lord says, Are you a master in Israel, and know not these things? A second time however He condescends to his infirmity, and makes use of a common argument to render what He has said credible: Verily, verily, I say to you, We speak that we do know, and testify that we have seen, and you receive not our testimony. Sight we consider the most certain of all the senses; so that when we say, we saw such a thing with our eyes, we seem to compel men to believe us. In like manner Christ, speaking after the manner of men, does not indeed say that he has seen actually, i.e. with the bodily eye, the mysteries He reveals; but it is clear that He means it of the most certain absolute knowledge. This then, viz. That we do know, he asserts of Himself alone.
HAYMO. Why, it is He asked, does He speak in the plural number, We speak that we do know? Because the speaker being the Only-Begotten Son of God, He would show that the Father was in the Son, and the Son in the Father, and the Holy Ghost from both, proceeding indivisibly.
ALCUIN. Or, the plural number may have this meaning; I, and they who are born again of the Spirit, alone understand what we speak; and having seen the Father in secret, this we testify openly to the world; and you, who are carnal and proud, receive not our testimony.
THEOPHYL. This is not said of Nicodemus, but of tile Jewish race, who to the very last persisted in unbelief.
CHRYS. They are words of gentleness, not of anger; a lesson to us, when we argue and cannot converse, not by sore and angry words, but by the absence of anger and clamor, (for clamor is the material of anger,) to prove the soundness of our views. Jesus in entering upon high doctrines, ever checks Himself in compassion to the weakness of His hearer: and does not dwell continuously on the most important truths, but turns to others more humble. Whence it follows: If I have told you earthly things, and you believe not, how shall you believe if I tell you of heavenly things.
AUG. That is: If you do not believe that I can raise up a temple, which you have thrown down, how can you believe that men can be regenerated by the Holy Ghost?
CHRYS, Or thus: Be not surprised at His calling Baptism earthly. It is performed upon earth, and is compared with that stupendous birth, which is of the substance of the Father, an earthly birth being one of mere grace. And well has He said, not, You understand not, but, You believe not: for when the understanding cannot take in certain truths, we attribute it to natural deficiency or ignorance: but where that is not received which it belongs to faith only to receive, the fault is not deficiency, but unbelief. These truths, however, were revealed that posterity might believe and benefit by them, though the people of that age did not.
13. And no man has ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.
AUG. After taking notice of this lack of knowledge in a person, who, on the strength of his magisterial station, set himself above others, and blaming the unbelief of such men, our Lord says, that if such as these do not believe, others will: No one has ascended into heaven, but He that came down from heaven, even the Son of man who is in heaven. This may be rendered: The spiritual birth shall be of such sort, as that men from being earthly shall become heavenly: which will not be possible, except they are made members of Me; so that he who ascends, becomes one with Him who descended. Our Lord accounts His body, i.e. His Church, as Himself.
GREG. Forasmuch as we are made one with Him, to the place from which He came alone in Himself, thither He returns alone in us; and He who is ever in heaven, daily ascends to heaven.
AUG. Although He was made the Son of man upon earth, yet His Divinity with which, remaining in heaven, He descended to earth, He has declared not to disagree with the title of Son of man, as He has thought His flesh worthy the name of Son of God. For through the Unity of person, by which both substances are one Christ, He walked upon earth, being Son of God; and remained in heaven, being Son of man. And the belief of the greater, involves belief in the less. If then the Divine substance, which is so far more removed from us, and could for our sake take up the substance of man so as to unite them in one person; how much more easily may we believe, that the Saints united with the man Christ, become with Him one Christ, so that while it is true of all, that they ascend by grace, it is at the same time true, that He alone ascends to heaven, Who came down from heaven.
CHRYS. Or thus: Nicodemus having said, We know that You are a teacher sent from God; our Lord says, And no man has ascended, &c. in that He might not appear to be a teacher only like one of the Prophets.
THEOPHYL. But when you hear that the Son of man came down from heaven, think not that His flesh came down from heaven; for this is the doctrine of those heretics, who held that Christ took His Body from heaven, and only passed through the Virgin.
CHRYS. By the title Son of man here, He does not mean His flesh, but Himself altogether; the lesser part of His nature being put to express the whole. It is not uncommon with Him to name Himself wholly from His humanity, or wholly from His divinity.
BEDE; If a man of set purpose descend naked to the valley, and there providing himself with clothes and armor, ascend the mountain again, he who ascended may be said to be the same with him who descended.
HILARY; Or, His descending from heaven is the source of His origin as conceived by the Spirit: Mary gave not His body its origin, though the natural qualities of her sex contributed its birth and increase. That He is the Son of man is from the birth of the flesh which was conceived in the Virgin. That He is in heaven is form the power of His everlasting nature, which did not contract the power of the Word of God, which is infinite, within the sphere of a finite body. Our Lord remaining in the form of a servant, far from the whole circle, inner and outer, of heaven and the world, yet as Lord of heaven and the world, was not absent therefrom. So then He came down from heaven because He was the Son of man; and He was in heaven, because the Word, which was made flesh, had not ceased to be the Word.
AUG. But you wonder that He was at once here, and in heaven. Yet such power has He given to His disciples. Hear Paul, Our conversation is in heaven. If the man Paul walked upon earth, and had his conversation in heaven; shall not the God of heaven and earth be able to be in heaven and earth?
CHRYS. That too which seems very lofty is still unworthy of His vastness. For He is not in heaven only, but every where, and fills all things. But for the present He accommodates Himself to the weakness of His hearer, that by degrees He may convert him.
14. And as Moses lifted up the serpent in the wilderness, even so must the Son of man be lifted up:
15. That whosoever believes in him should not perish, but have eternal life.
CHRYS. Having made mention of the gift of baptism, He proceeds to the source of it, i.e. the cross: And as Moses lifted up the serpent in the wilderness, even so must the Son of man be lifted up.
BEDE; He introduces the teacher of the Mosaic law, to the spiritual sense of that law; by a passage from the Old Testament history, which was intended to be a figure of His Passion, and of man's salvation.
AUG. Many dying in the wilderness from the attack of the serpents, Moses, by commandment of the Lord, lifted up a brazen serpent and those who looked upon it were immediately healed. The lifting up of the serpent is the death of Christ; the cause, by a certain mode of construction, being put for the effect. The serpent was the cause of death, inasmuch as he persuaded man into that sin, by which he merited death. Our Lord, however, did not transfer sin, i.e. the poison of the serpent, to his flesh, but death; in order that in the likeness of sinful flesh, there might be punishment without sin, by virtue of which sinful flesh might be delivered both from punishment and from sin.
THEOPHYL. See then the aptness of the figure. The figure of the serpent has the appearance of the beast, but not its poison: in the same way Christ came in the likeness of sinful flesh, being free from sin. By Christ's being lifted up, understand His being suspended on high, by which suspension He sanctified the air, even as He had sanctified the earth by walking upon it. Herein too is typified the glory of Christ: for the height of the cross was made His glory for in that He submitted to be judged, He judged the prince of this world; for Adam died justly, because he sinned; out Lord unjustly, because He did no sin. So He overcame him, who delivered Him over to death, and thus delivered Adam from death. And in this the devil found himself vanquished, that he could not upon the cross torment our Lord into hating His murderers: but only made Him love and pray for them the more. In this way the cross of Christ was made His lifting up, and glory.
CHRYS. Wherefore He does not say, The Son of man must be suspended, but lifted up, a more honorable term, but coming near the figure. He uses the figure to show that the old dispensation is akin to the new, and to show on His hearers' account that He suffered voluntarily; and that His death issued in life.
AUG. As then formerly he who looked to the serpent that was lifted up, was healed of its poison, and saved from death; so now he who is conformed to the likeness of Christ's death by faith and the grace of baptism, is delivered both from sin by justification, and from death by the resurrection: as He Himself said; That whosoever believes in Him should not perish, but have everlasting life. What need then is there that the child should be conformed by baptism to the death of Christ, if he be not altogether tainted by the poisonous bite of the serpent?
CHRYS. Observe; He alludes to the Passion obscurely, in consideration to His hearer; but the fruit of the Passion He unfolds plainly; viz. that they who believe in the Crucified One should not perish. And if they who believe in the Crucified live, much more shall the Crucified One Himself.
AUG. But there is this difference between the figure and the reality, that the one recovered from temporal death, the other from eternal.
Catena Aurea John 3
Born in Meulan-sur-Seine to the northwest of Paris, he received a classical education and became a priest. However he felt a deep longing for solitude and a life more radically centered on God. He thereupon devoted his life God as a hermit and began with his friend, Germond, to reside in the area of Limoges. Alone and forgotten by the world, Gaucherius and Germond grew in holiness. Their example attracted others who built hermitages near to theirs. Finally Gaucherius decided to build a monastery at Aureil and to establish two communities, one for men, the other for women, both under the rule of St. Augustine. The passage of an eremitical settlement into the canonical life was one of the principal ways through which the canons regular grew in the 11th and 12th Century. The community of Aureil is typical of these kinds of Ordo Novus canons regular. Thereafter he lived with his companions, being for all a model of sanctity. His companions and disciples include St. Lambert of Angouleme and St. Faucherus as well as the founder of Grandmont monastery, St. Stephen Muret. He died 80 years old in 1140 and was canonized in 1194. 
