I in them, and you in me, that they may be made perfect in one; and that the world may know that you have sent me, and have loved them, as you have loved me.
Read Chapter 17
Clement Of Alexandria
AD 215
And again, "And hast loved them as Thou hast loved Me? "
I in them, and Thou in Me, that they may be made perfect in one, and that the world may know that Thou hast sent Me, and has loved them as Thou hast loved Me. That their union may be consummated and perfected, as the union of many members in one Body and Head. For, as many members make up one body, so do the many faithful bind together the one mystical Body of Christ, which is His Church. Again, all the members are united and made complete in one head, so are all Christians in One Christ and God. Toletus appositely explains it of the Holy Eucharist; "I am in them," he says, "by My flesh given them as their true and real food, but Thou art in Me, because Thy Godhead is united to My flesh. If therefore the Godhead is in My flesh, and My flesh is in the believers, it comes to pass that the Godhead also is in believers through the medium of the Body of Christ. Believers therefore have in themselves both the Body of Christ, and by means of It the Godhead. They become one, and have through C...
For we are made one with each other after the manner already indicated, and we are also made one with God. And in what sense we are made one with Him, the Lord very clearly explained, and to make the benefit of His teaching plain, added the words: I in them, and Thou in Me, that they may be made perfected into one. For the Son dwells in us in a corporeal sense as Man, commingled and united with us by the mystery of the Eucharist; and also in a spiritual sense as God, by the effectual working and grace of His own Spirit, building up our spirit into newness of life, and making us partakers of His Divine Nature. Christ, then, is seen to be the bond of union between us and God the Father; as Man making us, as it were, His branches, and as God by Nature inherent in His own Father. For no otherwise could that nature which is subject to corruption be uplifted into incorruption, but by the coming down to it of That Nature Which is high above all corruption and variableness, lightening the burt...
How gave He the glory? By being in them, and having the Father with Him, so as to weld them together. But in another place He speaks not so; He says not that the Father comes by Him, but, that He and the Father come, and take up their abode with him, there removing the suspicion of Sabellius, here that of Arius.
That they may be made perfect in one, and that the world may know that You have sent Me. John 14:23
He says these latter words immediately after the other, to show that peace has more power to attract men than a miracle; for as it is the nature of strife to separate, so it is that of agreement to weld together.
And I have loved them as You have loved Me.
Here again the as means, as far as it is possible for a man to be loved; and the sure proof of His love is His giving Himself for them. After having told them that they shall be in safety, that they shall not be overturned, that they shall be holy, that many shall believe through them, that they shall enjoy great glory...