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a Bible passage
3. Children of God
1Behold what manner of love the Father hath bestowed upon us, that we should be called children of God; and such we are. For this cause the world knoweth us not, because it knew him not. 2Beloved, now are we children of God, and it is not yet made manifest what we shall be. We know that, if he shall be manifested, we shall be like him; for we shall see him even as he is. 3And every one that hath this hope set on him purifieth himself, even as he is pure. 4Every one that doeth sin doeth also lawlessness; and sin is lawlessness. 5And ye know that he was manifested to take away sins; and in him is no sin. 6Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither knoweth him. 7My little children, let no man lead you astray: he that doeth righteousness is righteous, even as he is righteous: 8he that doeth sin is of the devil; for the devil sinneth from the beginning. To this end was the Son of God manifested, that he might destroy the works of the devil. 9Whosoever is begotten of God doeth no sin, because his seed abideth in him: and he cannot sin, because he is begotten of God. 10In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, neither he that loveth not his brother. 11For this is the message which ye heard from the beginning, that we should love one another: 12not as Cain was of the evil one, and slew his brother. And wherefore slew he him? Because his works were evil, and his brother's righteous. 13Marvel not, brethren, if the world hateth you. 14We know that we have passed out of death into life, because we love the brethren. He that loveth not abideth in death. 15Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him. 16Hereby know we love, because he laid down his life for us: and we ought to lay down our lives for the brethren. 17But whoso hath the world's goods, and beholdeth his brother in need, and shutteth up his compassion from him, how doth the love of God abide in him? 18My Little children, let us not love in word, neither with the tongue; but in deed and truth. 19Hereby shall we know that we are of the truth, and shall assure our heart before him: 20because if our heart condemn us, God is greater than our heart, and knoweth all things. 21Beloved, if our heart condemn us not, we have boldness toward God; 22and whatsoever we ask we receive of him, because we keep his commandments and do the things that are pleasing in his sight. 23And this is his commandment, that we should believe in the name of his Son Jesus Christ, and love one another, even as he gave us commandment. 24And he that keepeth his commandments abideth in him, and he in him. And hereby we know that he abideth in us, by the Spirit which he gave us.
12 Not as Cain This is another confirmation, taken from what is contrary; for in the reprobate and the children of the devil hatred reigns, and it holds, as it were, the chief place in their life; and he brings forward Cain as an instance. It served in the meantime to give them consolation, as he at length concluded by saying, Marvel not, if the world hate you.
This explanation ought to be carefully noticed, for men ever blunder as to the way of living, because they make holiness to consist of fictitious works, and while they torment themselves with trifles, they think themselves doubly acceptable to God, as the monks, who proudly call their mode of living a state of perfection; nor is there any other worship of God under the Papacy but a mass of superstitions. But the Apostle testifies that this righteousness alone is approved by God, that is, if we love one another; and further, that the devil reigns where hatred, dissimulation, envy, and enmity prevail. We ought, however, at the same time, to bear in mind what I have already touched upon, that brotherly love, as it proceeds from the love of God as an effect from a cause, is not disjoined from it, but on the contrary is commended by John on this account, because it is an evidence of our love to God.
By saying that Cain was driven to slay his brother, because his works were evil, he intimates what I have already stated, that when impiety rules, hatred occupies the first place. He refers to Abel’s righteous works, that we may learn to endure patiently when the world hates us gratuitously, without any just provocation.