John 17:21 (WEB)
that they may all be one; even as you, Father, are in me, and I in you, that they also may be one in us; that the world may believe that you sent me.
Catechism · 3
The Father
“The ultimate end of the whole divine economy is the entry of God's creatures into the perfect unity of the Blessed Trinity.” — Catechism footnote: Cf. Jn 17:21-23.
The Church is One, Holy, Catholic, and Apostolic
“As you, Father, are in me and I am in you, may they also be one in us, . . . so that the world may know that you have sent me."” — Catechism footnote: Jn 17:21; cf. Heb 7:25.
Christ's Faithful - Hierarchy, Laity, Consecrated Life
“Chosen together, they were also sent out together, and their fraternal unity would be at the service of the fraternal communion of all the faithful: they would reflect and witness to the communion of the divine persons.” — Catechism footnote: Cf. Jn 17:21-23.
Fathers and councils · 43
Origen
- Origen, Against Celsus VIII.12Book VIII
““For,” says He, “My Father is in Me, and I in Him.”” — editor's note: John xiv. 11, and xvii. 21.
Read the whole comment “…but for all who shall believe on Me through their word: that they all may be one, as Thou, Father, art in Me, and I in Thee, that they also may be one in Us;” and again, when He says: “That they may be one, even as We are one; I in them, and Thou in Me, that they may be made perfect in one.”” — editor's note: John xvii. 20, 21.
Read the whole comment- Origen, De Principiis II.3Book II
“…age; and see if that expression of the Saviour, “I will that where I am, these also may be with Me; and as I and Thou are one, these also may be one in Us,” may not seem to convey something more than an age and ages, perhaps even more than ages of ages,—that period, viz., when all things are now no longer in an…” — editor's note: Cf. John xvii. 24, 21, 22.
Read the whole comment - Origen, De Principiis III.7Book III
“…from the Father for His disciples, saying, “Father, I will that where I am, these also may be with Me; and as Thou and I are one, they also may be one in Us.”” — editor's note: Cf. John xvii. 24; cf. 21.
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Jerome
“A temple, He says, not temples, in order to show that God dwells in all alike.“Neither for these only do I pray, but for them also that believe on me through their word; as thou, Father, in me, and I in thee, are one, so they may be all one in us.” — editor's note: S. John xvii. 20–23.
Read the whole comment“And in the same passage he writes: “that the final state will be an incorporeal one is rendered credible by the words of our Saviour’s prayer: ‘as thou, Father, art in me and I in thee, that they also may be one in us.’” — editor's note: Joh. xvii. 21.
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Athanasius of Alexandria
- Athanasius of Alexandria, Against the Arians III.3Discourse III
“And the glory which Thou gavest Me I have given them, that they may be one, even as We are one; I in them, and Thou in Me, that they may be made perfect in one, and that the world may know that Thou didst send Me.’” — editor's note: Ib. 20–23.
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John Cassian
- John Cassian, Conferences I–X X.7Conference X
“…Thou lovedst Me may be in them and they in us;” and again: “that they all may be one as Thou, Father, in Me and I in Thee, that they also may be one in us,” when that perfect love of God, wherewith “He first loved us” has passed into the feelings of our heart as well, by the fulfilment of this prayer of the Lord…” — editor's note: S. John xvii. 26, 21.
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Augustine of Hippo
“How hast Thou loved us, O good Father, who sparedst not Thine only Son, but deliveredst Him up for us wicked ones!” — editor's note: Rom. viii. 34, which is not “for us wicked ones,” but “for us all,” as the Authorized Version has it; and we must not narrow the words. Augustin, in Ev. Joh.…
Read the whole comment“I will declare Thy name to the humble, and to My Brethren that love one another as they have been beloved by Me.” — editor's note: John xvii. 6, 21.
Read the whole comment“And the glory which Thou gavest me I have given them; that they may be one, even as we are one.”” — editor's note: John xvii. 20–22
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Theodoret of Cyrus
“They cannot comprehend the meaning of the words: ‘that they may be one in us.’” — editor's note: John xvii. 21
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Cyprian of Carthage
“But such shall undergo the judgment of God according to their desert, as depart from His words who prays to the Father for unity, and says, “Father, grant that, as Thou and I are one, so they also may be one in us.”” — editor's note: John xvii. 21.
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Gregory the Great
“If you believe anything good of me, impute this to your merits, since we are one in Him Who says, That they all may be one, as Thou, Father, art in me, and I in thee that they also may be one in us (Joh. xvii. 21).” — the author cites it
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Ambrose of Milan
“Or, if we suppose some other light, beside the Light of the Godhead, to be the unapproachable Light, is, then, this Light better than the Father, so that He is not in that Light, Who, as it is written, is both with the Father and in the Father?” — editor's note: S. John i. 1; xvii. 5, 21.
Read the whole comment“Finally, observe what it is that Scripture hath already recorded: “That they may all be one, as Thou, Father, art in Me, and I in Thee.”” — editor's note: S. John xvii. 21.
Read the whole comment“But He used the word “world” instead “men,” as also thou hast it: “Lo! the whole world goeth after Him;” and again “That the world may know that Thou hast sent Me.”” — editor's note: S. John xvii. 21.
Read the whole comment“Jesus therefore came to this earth to receive for Himself a kingdom from us, to whom He says: “The kingdom of God is within you.”” — editor's note: S. John xvii. 21.
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John Chrysostom
“And again He saith to the Father, “Hereby shall they know that Thou hast sent Me, if they be one.” ( John xvii. 21.)” — the author cites it
Read the whole comment“Yet in another place He saith, “As I and Thou are One,” (speaking of will and unanimity,) “grant to these also that they may be one in Us” ( c. xvii. 21 ; not verbally quoted); that is, “in faith concerning Us.”” — the author cites it
Read the whole comment“Ver.” — the author cites it
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Basil the Great
“It is Jesus Who prayed “Grant that they may be one in us as I and Thou are one, Father.”” — editor's note: John xvii. 21 and 22, slightly varied.
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Hilary of Poitiers
“…them also that shall believe on Me through their word, that they may all be one, even as Thou, Father, art in Me, and I in Thee, that they also may be in Us, a unity of will and mind, not of Divinity, is expressed.” — editor's note: St. John xvii. 20, 21.
Read the whole comment“…them also that shall believe on Me through their Word; that they all may be one; even as Thou, Father, art in Me, and I in Thee, that they also may be in Us, to shew that since men cannot, so to speak, be fused back into God or themselves coalesce into one undistinguished mass, this oneness must arise from unity of…” — editor's note: St. John xvii. 20, 21.
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Leo the Great
“…also who shall believe on Me through their word, that they all may be one, as Thou also, Father, art in Me, and I in Thee, that they also may be one in us.”” — editor's note: S. John xvii. 20, 21.
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Clement of Alexandria
“And the glory which Thou hast given Me I have given them; that they may be one, as We are one: I in them, and Thou in Me, that they may be made perfect in one.”” — editor's note: John. xvii. 21–23.
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Catena Aurea on John
- Augustine of HippoCatena Aurea on John
When our Lord had prayed for His disciples, whom He named also Apostles, He added a prayer for all others who should believe on Him; Neither pray I for these alone, but for all others who shall believe on Me through…
Read the whole comment - John ChrysostomCatena Aurea on John
Another ground of consolation to them, that they were to be the cause of the salvation of others.
Read the whole comment - Augustine of HippoCatena Aurea on John
All, i. e. not only those who were then alive, but those who were to be born; not those only who heard the Apostles themselves, but us who were born long after their death. We have all believed in Christ through…
Read the whole comment - John ChrysostomCatena Aurea on John
And with this prayer for unanimity, He concludes His prayer; and then begins a discourse on the same subject: A new commandment I give unto you, that ye love one another.
Read the whole comment - Hilary of PoitiersCatena Aurea on John
And this unity is recommended by the great example of unity: As Thou, Father, art in Me, and I in Thee, that they also may be one in Us, i. e. that as the Father is in the Son, and the Son in the Father, so, after…
Read the whole comment - John ChrysostomCatena Aurea on John
This as again does not express perfect likeness, but only likeness as far as it was possible in men; as when He saith, Be ye merciful, even as your Father, which is in heaven, is merciful. (Luke 6:36)
Read the whole comment - Augustine of HippoCatena Aurea on John
We must particularly observe here, that our Lord did not say, that we may be all one, but that they may be all one, as Thou, Father, in Me, and I in Thee, are one, understood. For the Father is so in the Son, that…
Read the whole comment - Augustine of HippoCatena Aurea on John
Or that in ourselves we cannot be one, severed from each other by diverse pleasures, and lusts, and the pollution of sin, from which we must be cleansed by a Mediator, in order to be one in Him.
Read the whole comment - Hilary of PoitiersCatena Aurea on John
Heretics endeavouring to get over the words, I and My Father are one, as a proving unity of nature, and to reduce them to mean a unity simply of natural love, and agreement of will, bring forwards these words of our…
Read the whole comment - Augustine of HippoCatena Aurea on John
But why does He say, That the world may believe that Thou hast sent Me? Will the world believe when we shall all be one in the Father and the Son? Is not this unity that peace eternal, which is the reward of faith,…
Read the whole comment - Hilary of PoitiersCatena Aurea on John
Or, the world will believe that the Son is sent from the Father, for that reason, viz. because all who believe in Him are one in the Father and the Son.
Read the whole comment - John ChrysostomCatena Aurea on John
For there is no scandal so great as division, whereas unity amongst believers is a great argument for believing; as He said at the beginning of His discourse, By this shall all men know that ye are My disciples, if…
Read the whole comment - Augustine of HippoCatena Aurea on John
Then our Saviour, Who, by praying to the Father, shewed Himself to be man, now shews that, being God with the Father, He doth what He prays for: And the glory which Thou gavest Me, I have given them. What glory, but…
Read the whole comment - John ChrysostomCatena Aurea on John
By glory, He means miracles, and doctrines, and unity; which latter is the greater glory. For all who believed through the Apostles are one. If any separated, it was owing to men’s own carelessness; not but that our…
Read the whole comment - Hilary of PoitiersCatena Aurea on John
By this giving and receiving of honour, then, all are one. But I do not yet apprehend in what way this makes all one. Our Lord, however, explains the gradation and order in the consummating of this unity, when He…
Read the whole comment - John ChrysostomCatena Aurea on John
Elsewhere1 He says of Himself and the Father, We will come and make Our abode with Him; by the mention of two persons, stopping the mouths of the Sabellians. Here by saying that the Father comes to the disciples…
Read the whole comment - Augustine of HippoCatena Aurea on John
Nor is this said, however, as if to mean that the Father was not in us, or we in the Father. He only means to say, that He is Mediator between God and man. And what He adds, That they may be made perfect in one,…
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Cross-references · 17
Cited together in De Principiis I.6.
Cited together in Exposition of the Christian Faith IV.3.
Cited together in Ecclesiastical History II.6.
Cited together in Exposition of the Christian Faith IV.3.
Cited together in De Principiis I.6.
Cited together in Ecclesiastical History II.6.
Cited together in De Principiis I.6.
Cited together in Exposition of the Christian Faith IV.3.
Cited together in Exposition of the Christian Faith IV.3.
Cited together in Ecclesiastical History II.6.
Cited together in Catechism §820.
Cited together in De Principiis I.6.
Cited together in De Principiis I.6.
Cited together in Epistles, Books I–VIII VII.26.
Cited together in Epistles, Books I–VIII VII.26.
Cited together in Against Celsus VIII.12 and 1 other place.
Cited together in Catechism §260.