Note that when before he urged them to remain united to him, he mentioned two things; and he repeats them here. First, he said before, Abide in me , and he repeats it here by saying, If you abide in me . Secondly, he said before, and I in you, in place of which he now says, and my words abide in you. Because Christ is the Word of the Father, all words of wisdom are from him: "The source of wisdom is God's Word in the highest heaven" (Sir 1:5). Thus it is clear that Christ is in us when the words of his wisdom are in us: "You do not have his word abiding in you" (5:38).
Thus he says, and my words abide in you, in four ways: by your loving them, believing them, meditating on them and accomplishing them: "My son, be attentive to my words," by believing them; "incline your ear to my sayings," by obeying or accomplishing them; "let them not escape from your sight," because you meditate on them; but "keep them within your heart," by loving them (Prv 4:20). "Your words were found and I ate them" (Jer 15:16).
Therefore, the words of Christ are in us when we do as he commands and love what he promises. And from this it follows that they teach us what we ought to pray for: "We do not know how to pray as we ought, but the Spirit himself intercedes for us with sighs too deep for words" (Rom 8:26). For this reason Christ taught us to pray with his own words (Mt 6:9; Lk 11:2). And so the words of God, when believed and meditated upon, teach us to ask for the things necessary for our salvation; and these words of God when loved and accomplished help us to merit it. So he adds, ask , with sound judgment and perseverance, whatever you will, and it shall be done for you: "If you ask anything of the Father in my name he will give it to you" [16:23].
1996 Now the fourth reason for abiding in Christ is mentioned, and it is the glory of the Father. All our works should be directed to the glory of God: "Not to us, O Lord, not to us, but to your name give glory" (Ps 115:1); "So, whether you eat or drink, or whatever you do, do all to the glory of God" [1 Cor 10:31]. And so our Lord shows that we are in Christ, because this is why we bear fruit, and because we bear fruit the Father is glorified. He says, By this my Father is glorified , that is, it reflects glory on my Father, that you bear much fruit.
Here he mentions, in reverse order, three things which follow one from the other. One refers to abiding in Christ, you become my disciples , and this is the same as "Abide in me" (v 4). The second follows from this, you bear much fruit. And from this my Father is glorified. He is saying in effect: It gives glory to the Father that you bear much fruit, and you bear much fruit because you are my disciples. You do this, first of all, by living well: "That they may see your good works and give glory to your Father who is in heaven" (Mt 5:16); and by teaching well, which also glorifies God: "Glorify the Lord by teaching" [Is 24:15]; "Every one who calls upon my name I have created him for my praise and glory" (Is 43:7). And so the apostles are the soil which bears much fruit because they have become the disciples of Christ by abiding in him and by the fire of their charity.
For these are the signs of a disciple of Christ: first that one abides in him, is united to him: "If you continue in my word, you are truly my disciples" (8:31). And by doing this they become fit for bearing the fruit of teaching. The second sign is charity: "By this all men will know that you are my disciples, if you have love for one another" (13:35). And because of this they are able to bear the fruit of good works, because nothing has any value without charity: "If I have prophetic powers, and understand all mysteries... but have not love, I am nothing" (1 Cor 13:2).
LECTURE 2
9 "As the Father has loved me, so have I loved you; abide in my love. 10 If you keep my commandments, you will abide in my love, just as I have kept my Father's commandments and abide in his love. 11 These things I have spoken to you, that my joy may be in you, and that your joy may be full. 12 This is my commandment, that you love one another as I have loved you. 13 Greater love has no man than this, that a man lay down his life for his friends." [8]
1997 Above, our Lord urged his disciples to remain united with him; here he shows what this involves. He makes three points: first, to abide in him is to abide in his love; secondly, to abide in his love is to keep his commandments (v 10); thirdly, that his commandment is to love (v 12). He does two things about the first: first, he recalls the benefit granted to the disciples; secondly, he urges them to persevere, abide in my love (v 9).
1998 He says that the fact that we abide in Christ is due to his grace; and this grace is the effect of his love: "I have loved you with an everlasting love" (Jer 31:3). It is clear from this that all our good works are ours due to the benefit of divine love. For they would not be ours unless faith acted through love, and we would not love unless we were first loved. And so he reminds them of this benefit by saying, As the Father has loved me, so have I loved you.
1999 The word "as" sometimes indicates an equality of nature, and at other times a similarity in acting. The Arians, who erred about this passage, wanted the "as" to indicate an equality, and because of this they concluded that the Son was inferior to the Father. But this is false. We must say, then, according to Augustine, that the word "as" indicates a likeness in grace and love; for the love with which the Son loves his disciples is a certain likeness of that love with which the Father loves the Son. [9]
Now since to love someone is to will good to that person, the Father loves the Son, with respect to the Son's divine nature, because the Father wills him his own infinite good, which he has, by communicating to the Son the very same numerical nature the Father himself has: "For the Father loves the Son, and shows him all that he himself is doing" (5:20). The Father also loves the Son with respect to his human nature: "When Israel was a child, I loved him, and out of Egypt I called my son" (Hos 11:1). And he loves him so that he would be at once both God and man.
But the Son did not love the disciples in either of these ways. For he did not love them to the point of their being gods by nature, nor to the point that they would be united to God so as to form one person with him. But he did love them up to a similar point: he loved them to the extent that they would be gods by their participation in grace ‑ "I say, 'You are gods'" (Ps 82:6); "He has granted to us precious and very great promises, that through these you may become partakers of the divine nature" (2 Pet 1:4) ‑ and he loved them to the extent that they would be united to God in affection: "He who is united to the Lord becomes one spirit with him" (1 Cor 6:17); "For those whom he foreknew he also predestined to be conformed to the image of his Son" (Rom 8:29). Thus the Father communicated to the Son a greater good, with respect to each nature of the Son, than the Son did to his disciples; yet there is a similarity, as was said.
2000 Abide in my love. This is like saying: Because you have received such a great benefit from my love, abide in it so that you love me. Or it could mean, abide in my love because I love you, that is, abide in my grace so you will not be excluded from the good things I have prepared for you. This meaning is the more apt, so that the thought is: Persevere in this state so that you will be loved by me through the effect of grace: "Every one should remain in the state in which he was called" (1 Cor 7:20). "He who abides in love abides in God, and God abides in him" (1 Jn 4:16).
2001 Now he shows what it means to abide in his love. First, he shows that it means to keep his commandment; secondly, he illustrates it with an example, as I have kept my Father's commandments; thirdly, he eliminates an assumption (v 11).
2002 He says, Abide in my love, and you will do this if you keep my commandments, for this is the way you will abide in my love. Keeping the commandments is an effect of divine love, not only of the love by which we love, but also of the love by which God loves us. For from the fact that God loves us, he influences us and helps us to fulfill his commandments, which we cannot do without grace: "In this is love, not that we love God but that he loved us first" [1 Jn 4:10].
2003 He adds an example when he says, as I have kept my Father's commandments and abide in his love. For just as the love which the Father has for him is the model or standard of Christ's love for us, so Christ wants his obedience to be the model of our obedience. By saying this Christ shows that he abided in the Father's love because in all things he kept the Father's commandments. For he submitted to death: "He humbled himself and became obedient unto death, even death on a cross" (Phil 2:8); and refrained from all sin: "He committed no sin; no guile was found on his lips" (1 Pet 2:22). These things are to be understood of Christ in his human nature: "He has not left me alone, for I always do what is pleasing to him" (8:29). And so he says, I abide in his love, because there is nothing in me, as a human being, opposed to his love.
2004 Now so they do not think he is urging them to keep his commandments for his own benefit and not for their benefit, he says, These things I have spoken to you, that you keep my commandments, for your own good, so that my joy may be in you. Now love is the cause of joy, for everyone takes joy in what he loves. But God loves himself and creatures, especially rational creatures, to whom he grants an infinite good. So Christ rejoices in two things from all eternity: first, in his own good and that of the Father: "I was delighted every day, playing before him" [Prv 8:30]; secondly, he delights in the good of the rational creature: "delighting in the sons of men" (Prv 8:31), that is, in the fact that I am shared in by the children of men. He rejoices in these things from eternity: "As the bridegroom rejoices over the bride, so shall your God rejoice over you" (Is 62:5).
Consequently, our Lord wants us to become sharers of his joy by our observing his commandments. He says, that my joy, the joy I take in my divinity and that of my Father, may be in you . This is nothing else than eternal life, which as Augustine says, is joy in the truth. [10] That my joy may be in you means, in effect, that you may have eternal life: "Then you will delight yourself in the Almighty" (Job 22:26). And that your joy , which I take in my own humanity, may be full . The goods in which we rejoice are either imperfect or imperfectly possessed; and so in this life our joy cannot be full. But it will be full when perfect goods are perfectly possessed: "Enter into the joy of your master" (Mt 25:21).
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 is my commandment, that you love one another. Since there are many other commandments of the Lord in the sacred writings, why does he say that his commandment is only the practice of charity?
The answer, according to Gregory, is that charity is the root and end of all the virtues. [11] It is the root, because it is from charity, firmly rooted in the human heart, that we are led to accomplish all the other commandments: "He who loves his neighbor has fulfilled the law" (Rom 13:8). Therefore, all the commandments are, in a way, directed to this: that we do good to our neighbor, and not harm him; and this is done best through charity. Charity is the end because all the commandments are directed to it and by it alone are given strength: "The aim of our charge is love" (1 Tim 1:5). So he says, This is my commandment, that you love one another, since everything comes from charity as its source, and all things are directed to charity as their end. As Gregory puts it: just as many branches of a tree spring from one root, so the many virtues are produced from one root; and the branch of a good work has no life if it is not united to the root of charity. [12]
2007 Since we read in Matthew (22:40) that the law and the prophets depend not only on love for God, but also on love for neighbor, why does Christ mention here only love for neighbor? The answer is that one is included in the other: for a person who loves God must love his neighbor and things which belong to God; and the person who loves his neighbor for the sake of God must love God. Now although the objects of these acts are different, yet the outcomes are the same. There are two reasons why he mentions love of neighbor rather than the love of God. By doing this he wants to teach and lead them to help their neighbor, and to help them to become strong enough to endure sufferings from those who will persecute them. To do both of these, charity for our neighbor is necessary.
2008 Here he shows by an example how we should love our neighbor, which is, as Christ loved us. Now Christ loved us in the correct order and efficaciously. His love was orderly because he loved nothing in us but God and in relation to God: "I am the mother of beautiful love" (Si 24:18), and efficacious because he loved us so much that he delivered himself for us: "Christ loved us and gave himself up for us, a fragrant offering and sacrifice to God" (Eph 5:2). So we should love our neighbor, in a holy way, for his good, and efficaciously, by showing our love by our actions: "Let us not love in word or speech but in deed and in truth" (1 Jn 3:18).
2009 Greater love has no man than this, that a man lay down his life for his friends. Here he shows the efficacy of love, which is that one undergo death for his friends; this is a sign of the greatest love. Yet one could object that it is considered to be a sign of a greater love when someone lays down his life for his enemies, as Christ did: "But God shows his love for us in that while we were yet sinners Christ died for us" (Rom 5:8).