1 John 2:1-12; 15-17; 20-23
1My little children, I am writing these things to you so that you may not sin. But if anyone does sin, we have an advocate with the Father, Jesus Christ the righteous. 2He is the propitiation for our sins, and not for ours only but also for the sins of the whole world. 3And by this we know that we have come to know him, if we keep his commandments.
4Whoever says “I know him” but does not keep his commandments is a liar, and the truth is not in him, 5but whoever keeps his word, in him truly the love of God is perfected. By this we may know that we are in him: 6whoever says he abides in him ought to walk in the same way in which he walked.
7Beloved, I am writing you no new commandment, but an old commandment that you had from the beginning. The old commandment is the word that you have heard. 8At the same time, it is a new commandment that I am writing to you, which is true in him and in you, because the darkness is passing away and the true light is already shining.
9Whoever says he is in the light and hates his brother is still in darkness. 10Whoever loves his brother abides in the light, and in him there is no cause for stumbling. 11But whoever hates his brother is in the darkness and walks in the darkness, and does not know where he is going, because the darkness has blinded his eyes. 12I am writing to you, little children, because your sins are forgiven for his name’s sake.
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15Do not love the world or the things in the world. If anyone loves the world, the love of the Father is not in him. 16For all that is in the world–the desires of the flesh and the desires of the eyes and pride in possessions–is not from the Father but is from the world. 17And the world is passing away along with its desires, but whoever does the will of God abides forever.
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20But you have been anointed by the Holy One, and you all have knowledge. 21I write to you, not because you do not know the truth, but because you know it, and because no lie is of the truth. 22Who is the liar but he who denies that Jesus is the Christ? This is the antichrist, he who denies the Father and the Son.
23No one who denies the Son has the Father. Whoever confesses the Son has the Father also.
24Let what you heard from the beginning abide in you. If what you heard from the beginning abides in you, then you too will abide in the Son and in the Father. 25And this is the promise that he made to us–eternal life. (ESV)