20“In that day you will know that I am in my Father, and you in me, and I in you.”
The Holy Bible: English Standard Version. (2016). ([reftagger title=””]John 14:18[/reftagger]). Wheaton, IL: Crossway Bibles.
The it is surely the chief Christian doctrine and understanding to be certain and, as Christ states here, to know that And then one must know that the same One who is in God is also in us, and we in Him. He who has this knowledge has everything.
For it is all-important, as we always say, to know that the direction comes down this way from above, from the Father through Christ, and ascends again through Him. For the Son comes down to us from the Father and attaches Himself to us; and we, in turn, attach ourselves to Him and come to the Father through Him. This is the reason for His incarnation and His birth of the Virgin Mary, that He might mingle with us, be seen and heard by us, yes, be crucified and put to death for us, and draw and hold us to Him.He forged these links between Himself and us and the Father, thus enclosing us in this circle, so that now we are in Him and He in us, just as He is in the Father and the Father is in Him. Through such a union and communion our sin and death are abolished, and now we have sheer life and blessedness in their stead.
“This,” Christ says here, “you will learn on the day when I rise and am glorified. Then you will be persuaded beyond a doubt that I am sent by the Father and that everything I say, do, and suffer is in the Father in such a manner that it is God Himself who says, does, and suffers it. Henceforth no one must search heaven or earth to find anything else needed for salvation. Hitherto people sought outside Me, and still do, running hither and yon in an attempt to apprehend and lay hold of God. They ventured to reconcile the Father with their own works and holiness, but they accomplished no more than to separate and split up into innumerable types of superstition and vain worship, letting themselves be led on by all sorts of false ways and means of coming to God. But they missed the right way entirely. For this is what God Himself proclaims here through the mouth of His beloved Son: Be it known to you that I am in the Father and that the Father is in Me.(as He also informed us above clearly and plainly enough). At present, because of your weakness, you cannot understand and recognize this. But I am announcing this to you in advance; and after I have been glorified, the Holy Spirit will teach it to you, that you may understand and experience it.
“For, as has been stated, it will and should be the right perception and the sublime knowledge of
It is not our intention to debate against the Arians, as some of the ancient fathers have done on the basis of this text, how, in view of the one undivided Divine Essence, the Father is in Christ and Christ in the Father. No, here we want to confine ourselves to the practical application of this doctrine and learn what our attitude over against God and Christ must be to find the Father and to know His will. As we have always heard, a Christian must learn to say: “I know of no other God than the one God who is called Jesus Christ.” Therefore if the devil wants to frighten you with God’s wrath and judgment, with death and hell, and if he tells you that God is angry with you and wants to kill or damn you, etc., then you can tell him to unleash such thoughts on stubborn minds and on wicked and hardened hearts. “As for me,” you must say, “I am determined to listen to what the Gospel says to me.
Luther, M. (1999). Luther’s works, vol. 24: Sermons on the Gospel of St. John: Chapters 14-16. (J. J. Pelikan, H. C. Oswald, & H. T. Lehmann, Eds.) (Vol. 24, p. 140). Saint Louis: Concordia Publishing House.
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