John 15:12

"These things have I spoken unto you, that My joy might remain in you, and that your joy might be fulfilled"; that is, "that ye might not be separated from Me that ye might not cut short your course. Ye were rejoicing in Me, and ye were rejoicing exceedingly, but despondency hath fallen upon you. This then I remove, that joy may come at the last, showing that your present circumstances are fit cause, not for pain, but for pleasure. I saw you offended; I despised you not; I said not, 'Why do ye not continue noble?' But I spake to you words which brought comfort with them. And so I wish ever to keep you in the same love. Ye have heard concerning a kingdom, ye rejoiced. In order therefore that your joy might be fulfilled, I have spoken these things unto you."

"This is My commandment, that ye love one another as I have loved you." Seest thou that the love of God is intertwined with our own, and connected like a sort of chain? Wherefore it sometimes saith that there are two commandments, sometimes only one. For it is not possible that the man who hath taken hold on the first should not possess the second also. For at one time He said, "On this the Law and the Prophets hang"; and at another, "Whatsoever ye would that men should do to you, do ye even so to them, for this is the Law and the Prophets." And, "Love is the fulfilling of the Law." Which He saith also here; for if to abide proceeds from love, and love from the keeping of the commandments, and the commandment is that we love one another, then the abiding in God proceeds from love towards each other. And He doth not simply speak of love, but declareth also the manner, "As I have loved you." Again He showeth, that His very departure was not of hatred but of love. "So that I ought rather to be admired on this account, for I lay down My life for you." Yet nowhere doth He say this in these words, but in a former place, by sketching the best shepherd, and here by exhorting them, and by showing the greatness of His love, and Himself, who He is. But wherefore doth He everywhere exalt love? Because this is the mark of the disciples, this the bond of virtue. On this account Paul saith such great things of it, as being a genuine disciple of Christ, and having had experience of it.

Second, he exhorts the disciples to love their friends. This is my commandment. After the Lord has exhorted to the love of God, here secondly he exhorts to the love of brother and friend, and he does this in the following manner. First, he binds …

(Hom. xxvii. in Evang.) But when all our Lord's sacred discourses are full of His commandments, why does He give this special commandment respecting love, if it is not that every commandment teaches love, and all precepts are one? Love and love only is the fulfilment of every thing that is enjoined. As all the boughs of a tree proceed from one root, so all the virtues are produced from one love: nor hath the branch, i. e. the good work, any life, except it abide in the root of love.

While all of sacred Scripture is full of the Lord's commandments, why does the Lord speak of love as if it were a singular commandment, saying: "This is my commandment, that you love one another," unless it is because every commandment concerns love alone, and all commandments are one, since whatever is commanded is grounded in charity alone? For just as many branches of a tree proceed from one root, so many virtues are generated from one charity. Nor does the branch of a good work have any greenness if it does not remain in the root of charity. Therefore the Lord's commandments are both many and one: many through the diversity of works, one in the root of love. Moreover, how this love should be maintained, he himself indicates, who in many passages of his Scripture commands both that friends be loved in him, and that enemies be loved for his sake. For he truly has charity who both loves a friend in God and loves an enemy for the sake of God. For there are some who love their neighbors, but through the affection of kinship and flesh, whom nevertheless sacred Scripture does not contradict in this love. But it is one thing that is freely given to nature, another that is owed to obedience from charity through the Lord's commandments. These indeed love their neighbor, and yet they do not attain those sublime rewards of love, because they bestow their love not spiritually but carnally. Therefore when the Lord said: "This is my commandment, that you love one another," he immediately added: "As I have loved you." As if he were saying openly: Love for the same purpose for which I loved you.

2005 Now our Lord states what his precepts are: first, he states his commandment; secondly, he presents an example (v 12b); thirdly, he recalls a benefit (v 14). 2006 The commandment he gives is the commandment of charity, which he wants us to keep: This …

Having said, If ye keep My commandments, ye shall abide in My love, He shows what commandments they are to keep: This is My commandment, That ye love one another.

Above He said: "You will then abide in Me when you keep My commandments." Now He shows which commandments they must keep, and sets before them love: "That you love one another, as I have loved you." He desires that we love one another not …

If you consider the commands, "this is My commandment, that you love one another." If you are concerned with judgment, it is to Christ that the power of judgment pertains; and we should gladly choose to have Him as a judge, for He loves us. …

This is my commandment, that ye love one another,.... Christ had been before speaking of his commandments; and he mentions this as the principal one, and to which all the rest may be reduced; for as the precepts of the second table of the moral law may be briefly comprehended in this one duty, love to our neighbour, so all the duties of Christianity, relative to one another, are reducible to this, by love to serve each other.

), as if this were the most necessary of all the commandments. As under the law the prohibition of idolatry was the commandment more insisted on than any other, foreseeing the people's addictedness to that sin, so Christ, foreseeing the addictedness of the Christian church to uncharitableness, has laid most stress upon this precept.

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Christ's love to us should direct and engage our love to each other; in this manner, and from this motive, we should love one another, as, and because, Christ has loved us. He here specifies some of the expressions of his love to them; he called them friends, communicated his mind to them, was ready to give them what they asked. It is required by his precept.

That ye love one another - See on Joh 13:34 (note). So deeply was thus commandment engraved on the heart of this evangelist that St. Jerome says, lib. iii. c. 6, Com. ad Galat., that in his extreme old age, when he used to be carried to the public assemblies of the believers, his constant saying was, Little children, love one another.

Three weighty points demand our attention in this passage. On each of these the language of our Lord Jesus Christ is full of striking instruction. We should observe first, how our Lord speaks of the grace of brotherly love. He returns to it a second time, though He has already spoken of it in the former part of His discourse. He would have us know that we can never think too highly of love, attach too much weight to it, labor too much to practice it.

Three weighty points demand our attention in this passage. On each of these the language of our Lord Jesus Christ is full of striking instruction. We should observe first, how our Lord speaks of the grace of brotherly love. He returns to it a second time, though He has already spoken of it in the former part of His discourse. He would have us know that we can never think too highly of love, attach too much weight to it, labor too much to practice it. Truths which our Master thinks it needful to enforce on us by repetition, must needs be of first-class importance. He commands us to love one another. "This is my commandment." It is a positive duty laid on our consciences to practice this grace. We have no more right to neglect it than any of the ten precepts given on Mount Sinai. He supplies the highest standard of love—"Love one another as I have loved you." No lower measure must content us. The weakest, the lowest, the most ignorant, the most defective disciple, is not to be despised. All are to be loved with an active, self-denying, self-sacrificing love. He that cannot do this, or will not try to do it, is disobeying the command of his Master. A precept like this should stir up in us great searchings of heart. It condemns the selfish, ill-natured, jealous, ill-tempered spirit of many professing Christians, with a sweeping condemnation. Sound views of doctrine, and knowledge of controversy, will avail us nothing at last, if we have known nothing of love. Without charity we may pass muster very well as Churchmen. But without charity we are no better, says Paul, than "sounding brass and tinkling cymbal." (1 Cor. 13:1.) Where there is no Christlike love, there is no grace, no work of the Spirit, and no reality in our religion. Blessed are those who do not forget Christ's commandment! They are those who shall have right to the tree of life, and enter the celestial city.

This is my commandment - The special law of Christianity, called hence “the new commandment.” See the notes at Joh 13:34. As I have loved you - That is, with the same tender affection, willing to endure trials, to practice self-denials, and, if need be, to lay down your lives for each other, 1Jn 3:16.