The interpretation timeline

1John 4:12

How this passage has been read — the sources, oldest to newest.

From the early Church Fathers to now.

9 Patristic · 1 Orthodox

1John 4:12 · Douay-Rheims
“No man hath seen God at any time. If we love one another, God abideth in us, and his charity is perfected in us.”
Patristic before A.D. 750
220
A.D.
Tertullian Patristic
c. A.D. 150–220
“"And we have seen His glory, the glory as of the only begotten of the Father; " that is, of course, (the glory) of the Son, even Him who was visible, and was glorified by the invisible Father.”
178 years pass — nothing from this stretch is hosted yet
398
A.D.
Didymus the Blind Patristic
c. A.D. 313–398
“Since God is invisible, nobody has ever seen him, since bodily sight cannot see things which have no bodies. But there are some heretics who say that the Old Testament speaks of a visible God, because occasionally people are said to have seen him, whereas the New Testament makes him completely invisible. So we have to ask what substance he is supposed to have which would make him visible. They would have to answer, unless they are out of their minds, that God is a body, even though it is not made of any perceivable substance. If that is what they think, they ought to consider how incongruous and full of ungodliness their beliefs are. For how can there be a body if there is no way of defining what it is?”
Source
430
A.D.
Augustine of Hippo Patristic
A.D. 354–430
“"No man hath seen God at any time." See, beloved: "If we love one another, God will dwell in us, and His love will be perfected in us." Begin to love; thou shalt be perfected. Hast thou begun to love? God has begun to dwell in thee: love Him that has begun to dwell in thee, that by more perfect indwelling He may make thee perfect.”
Source
430
A.D.
Augustine of Hippo Patristic
A.D. 354–430
“"No man hath seen God at any time:" He is a thing invisible; not with the eye but with the heart must He be sought. But just as if we wished to see the sun, we should purge the eye of the body; wishing to see God, let us purge the eye by which God can be seen. Where is this eye? Hear the Gospel: "Blessed are the pure in heart, for they shall see God." But let no man imagine God to himself according to the lust of his eyes. For so he makes unto himself either a huge form, or a certain incalculable magnitude which, like the light which he sees with the bodily eyes, he makes extend through all directions; field after field of space he gives it all the bigness he can; or, he represents to himself like as it were an old man of venerable form. None of these things do thou imagine. There is something thou mayest imagine, if thou wouldest see God; "God is love." What sort of face hath love? what form hath it? what stature? what feet? what hands hath it? no man can say. And yet it hath feet, for these carry men to church: it hath hands; for these reach forth to the poor: it hath eyes; for thereby we consider the needy: "Blessed is the man," it is said, "who considereth the needy and the poor." It hath ears, of which the Lord saith, "He that hath ears to hear let him hear." These are not members distinct by place, but with the understanding he that hath charity sees the whole at once. Inhabit, and thou shalt be inhabited; dwell, and thou shalt be dwelt in. For how say you, my brethren? who loves what he does not see? Now why, when charity is praised, do ye lift up your hands, make acclaim, praise? What have I shown you? What I produced, was it a gleam of colors? What I propounded, was it gold and silver? Have I dug out jewels from hid treasures? What of this sort have I shown to your eyes? Is my face changed while I speak? I am in the flesh; I am in the same form in which I came forth to you; ye are in the same form in which ye came hither charity is praised, and ye shout applause. Certainly ye see nothing. But as it pleases you when ye praise, so let it please you that ye may keep it in your heart. For mark well what I say brethren; I exhort you all, as God enables me, unto a great treasure. If there were shown you a beautiful little vase, embossed, inlaid with gold, curiously wrought, and it charmed your eyes, and drew towards it the eager desire of your heart, and you were pleased with the hand of the artificer, and the weight of the silver, and the splendor of the metal; would not each one of you say, "O, if I had that vase!" And to no purpose ye would say it, for it would not rest with you to have it. Or if one should wish to have it, he might think of stealing it from another's house. Charity is praised to you; if it please you, have it, possess it: no need that ye should rob any man, no need that ye should think of buying it; it is to be had freely, without cost. Take it, clasp it; there is nothing sweeter. If such it be when it is but spoken of, what must it be when one has it?”
Source
207 years pass — nothing from this stretch is hosted yet
637
A.D.
Andreas of Caesarea Patristic
c. A.D. 563–637
“This is how God's love works. God comes to dwell in us, though no one has ever seen him.”
735
A.D.
Bede Patristic
A.D. 673–735
“No one has ever seen God. A greater discussion is needed, since the Lord promises that the pure in heart will see God, and He says of the saints that their angels always see the face of the Father in heaven. John also stated this in his Gospel, where he consequentially adds how God can be seen, saying: The only begotten Son, who is in the bosom of the Father, He has declared Him (John I). Blessed Father Ambrose explained it thus: "And no one has ever seen God, because the fullness of the divinity dwelling in God has been seen by no one, comprehended by neither mind nor eyes. For 'seeing' must be referred to both. Hence when it is added: The only begotten Son, who is in the bosom of the Father, He has declared Him, it is a vision of the mind rather than of the eyes being spoken of. The form is seen, the power is narrated. The former is comprehended by eyes, the latter by the mind." Likewise, blessed Augustine in his book on seeing God, discussing the same question: "Therefore (he says), with the only begotten, who is in the bosom of the Father, narrating with ineffable narration, a rational, pure, and holy creature is filled with the ineffable vision of God. We will achieve this when we have become equal to the angels, for we shall see face to face (I Cor. XIII). As visible things are seen by the senses of the body, no one has ever seen God: because if He was ever seen in any way, it was not as a natural object is seen, but He willed to be seen in the form He chose, with His nature remaining hidden and unchangeable in Himself. But in the way He is seen as He is (I Cor. XIII), perhaps He is now seen by some of His holy angels. But by us, He will be seen in that way when we shall have become equal to them." And after some propositions, expounding the sentence of Saint Ambrose, Augustine says, "No one has ever seen God, either in this life as He is, or even in the life of angels, as these visible things are perceived by bodily vision, because the only begotten Son who is in the bosom of the Father, He has declared Him. Therefore, it pertains not to the vision of bodily eyes, but to the vision of minds." And after these many words: "To that vision (he says) by which we will see God as He is (I Cor. XIII), He admonished pure hearts. Because, indeed, bodies are by customary speech called visible, thus God is called invisible so that He may not be believed to be a body. It does not mean that He would deprive pure hearts of the contemplation of His substance, since this great and highest reward is promised to those who honor and love God, as the Lord Himself said when He visibly appeared to bodily eyes, and He promised to show Himself invisibly to pure hearts: Whoever loves me will be loved by my Father, and I will love him and show myself to him (John XIV). For His nature is equally invisible with the Father, just as it is equally incorruptible. Paul listed these consecutively, saying: Now to the King eternal, immortal, invisible, he commended the divine substance in a manner he could to humans through preaching. Therefore, God is an invisible reality, to be sought not with the eye but the mind. But just as if we wanted to see the sun, we would purify the eye of the body from which light can be seen; so also, wanting to see God, let us purify the eye of the heart with which God can be seen: Blessed are the pure in heart, for they shall see God (Matthew V). But since this vision is hoped for in the future, what must we do now, while still in the body, wandering away from the Lord? What solace should we use when divine vision is not yet permitted to us?"”
Source
735
A.D.
Bede Patristic
A.D. 673–735
“If we love one another, God abides in us. But let no one think that this love, in which God abides, is preserved by a certain lax and lazy gentleness, indeed not by gentleness but by leniency and negligence. This is not charity, but languor; charity should burn fervently to amend and correct. But if morals are good, let them delight; if they are bad, let them be amended and corrected. Therefore, if we love one another with sincere and disciplined charity, God abides in us, manifested indeed by the works of that very charity, even though He does not yet appear visibly.”
Source
735
A.D.
Bede Patristic
A.D. 673–735
“And His charity is perfected in us. However, it must be inquired how he says that the perfection of divine charity consists in mutual love, since the Lord in the Gospel pronounces that it is not a great thing if we love those who love us, unless that same love extends also to enemies, about whom he here seems completely silent? Unless perhaps we should love even these enemies with the gaze of fraternal love, so that they do not always remain enemies, but repent from the snares of the devil and join us in a genuine covenant. If we love one another, he says, God abides in us, and His charity is perfected in us. Begin to love, you will be perfected. You have begun to love, God has begun to dwell in you, so that by dwelling more perfectly He may make you perfect.”
Source
391 years pass — nothing from this stretch is hosted yet
Scholastic c. 1100 – 1500
1126
A.D.
Theophylact of Ohrid Orthodox
c. 1055–1107
“We have noted before that the Apostle John has a habit of repeating the same things about the same subjects. So he does now as well. No one, he says, has ever seen God. Speaking of love for the brethren, he pointed to God as an example of love, Who out of love for us delivered His Only-Begotten Son to death. Someone, upon hearing this, might ask: on what basis do you speak of things invisible? In answer to such a question he says: I myself say that no one has ever seen God; but from love for one another we come to know that God is in us. And he says this rightly, because many things invisible to us we come to know from their effects. For example, no one has seen the soul, but from its actions and movements we are convinced that it exists and operates within us. So too we recognize God's love for us through a certain movement and action. If there is nothing incongruous in this, then this holy man also fittingly proves from the action that God is in us. What then is this action? Pure love for our neighbors.”
Source
Undated date unknown
Oecumenius Patristic
c. A.D. 550
“No one has ever seen God. If we love one another, God abides in us, and His love is perfected in us. We have also said before that it is customary for this blessed man to repeat the same things about them, and to wish to instill the habits of what is said in those who are being taught, and to lead the discourse to what is clearer and more perfect. For by approaching in one way and another from those things that are seen in reality, and as if fulfilling what is lacking in the discourse, John makes a most perfect demonstration of what is said. According to this instruction, even now using discourse, he says: "No one has ever seen God." For in making a discourse about love for the brethren, he had brought forth God as an example, who gave His only begotten Son to death, because of the love He had for us: it was therefore fitting that someone would say: And how or in what way do you say this about invisible and incomprehensible things, and you confirm to us what no one has ever known? Therefore, responding to those who would speak thus, John himself says: Indeed, no one has ever seen God, and I also assert: but from mutual love for us, we know that God is in us. And he speaks rightly. For we certainly perceive many things that are invisible to us through actions. Indeed, just as no one has seen the soul, yet we discern its existence through actions and movements within us: in the same way, we recognize God's love for us, as if through a certain motion and operation. If this is not absurd, then this man also shows God to be present in us through actions beyond dignity. And what is this operation? Pure and sincere love for one's neighbor.”
Source
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.