1 John 4:21
And this commandment we have from God, that he, who loveth God, love also his brother.
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- Vulgate (Clementine)
- Et hoc mandatum habemus a Deo : ut qui diligit Deum, diligat et fratrem suum.
- Greek New Testament (SBLGNT)
- καὶ ταύτην τὴν ἐντολὴν ἔχομεν ἀπʼ αὐτοῦ, ἵνα ὁ ἀγαπῶν τὸν θεὸν ἀγαπᾷ καὶ τὸν ἀδελφὸν αὐτοῦ.
The Fathers on this verse
St Augustine A Treatise on Grace and Free Will, Commendations of Love
The Apostle Peter, likewise, says, “And, above all things, have fervent love among yourselves: for love shall cover the multitude of sins.” The Apostle James also says, “If ye fulfil the royal law, according to the Scripture, Thou shalt love thy neighbour as thyself, ye do well.” So also the Apostle John says, “He that loveth his brother abideth in the right;” again, in another passage, “Whosoever doeth not righteousness is not of God, neither he that loveth not his brother; for this is the message which we have heard from the beginning, that we should love one another.” Then he says again, “This is His commandment, that we should believe on the name of His Son Jesus Christ, and love one another.” Once more: “And this commandment have we from Him that he who loveth God love his brother also.” Then shortly afterwards he adds, “By this we know that we love the children of God, when we love …
St Augustine Ten Homilies on the First Epistle of John, 1 John IV. 17-21
11. “For he that loveth not his brother whom he seeth, how can he love God whom he seeth not? And this commandment have we from Him, that he who loveth God love his brother also.” Marvellous fine talk it was, that thou didst say, “I love God,” and hatest thy brother! O murderer, how lovest thou God? Hast thou not heard above in this very epistle, “He that hateth his brother is a murderer”? Yea, but I do verily love God, however I hate my brother. Thou dost verily not love God, if thou hate thy brother. And now I make it good by another proof. This same apostle hath said, “He gave us commandment that we should love one another.” How canst thou be said to love Him whose commandment thou hatest? Who shall say, I love the emperor, but I hate his laws? In this the emperor understands whether thou love him, that his laws be observed throughout the provinces. …
St Augustine Ten Homilies on the First Epistle of John, 1 John V. 1-3
1. I Suppose ye remember, those of you who were present yesterday, to what place in the course of this epistle our exposition has reached: namely, “He that loveth not his brother whom he seeth, how can he love God whom he seeth not? And this commandment have we from Him, That he who loveth God, love his brother also.” Thus far we discoursed. Let us see then what comes next in order. “Whosoever believeth that Jesus is the Christ is born of God.” Who is he that believeth not that Jesus is the Christ? He that does not so live as Christ commanded. For many say, “I believe:” but faith without works saveth not. Now the work of faith is Love, as Paul the apostle saith, “And faith which worketh by love.” Thy past works indeed, before thou didst believe, were either none, or if they seemed good, were nothing worth. …