Speaking about the spiritual life of a Christian, John describes it as becoming in Christ and at the same time being established in the Torah (the Law). Jesus is the only one in whom there is no sin...
Speaking about the spiritual life of a Christian, John describes it as becoming in Christ and at the same time being established in the Torah (the Law). Jesus is the only one in whom there is no sin (1 John 3:5). In this way He showed the world the only example in history of what in those days was called the living Torah: to become the living Torah meant precisely to be the living embodiment of the ideal that the Torah requires. Accordingly, such a person had to be completely free from every sin, because sin and the Torah, sin and God's commandment, are incompatible things. That is why, before the coming of Christ, the ideal of the living Torah remained only an ideal, one toward which many strove but which no one managed to attain.
Following the Torah cleanses from sin. The inner Torah, as believing Jews of the Gospel era called it, was the spiritual imperative without which the way of righteousness was impossible. The inner Torah was the spiritual core on which the whole life of a person seeking righteousness and striving to become the living Torah was based. Any sin destroyed this core, and that is why the apostle speaks of sin as lawlessness, as a departure from the inner Torah (1 John 3:4).
But for fallen humanity, sin is a sad inevitability, and that is why the ideal of the living Torah remained unattainable. The only hope is in the Savior, who not only showed this ideal to the world but is also ready to help everyone seeking righteousness be freed from the captivity of sin (1 John 3:5). For this only one thing is needed: to give oneself and one's life into His hands, and then He will make it part of the life of the Kingdom that He brought into the world.
There is no place for sin in the Kingdom, and therefore the one who lives one life with Christ does not sin. Sin has a place only in human life separated from the life of Christ and the Kingdom (1 John 3:6). We live in the age of the Kingdom that is coming but has not yet been revealed in all its fullness, and until the end of this age, until the full transformation of humanity and all creation, our Christian life retains the duality of which the apostle speaks.
But at the end of time, after the Savior returns in glory and our human nature is fully transformed, this duality will disappear. Only then will we become what we are meant to be according to God's purpose for us (1 John 3:2). For now we are pure to the extent that we live one life with Jesus, the life of the Kingdom that He brought into the world (1 John 3:3). And not only we Christians: everyone who acts righteously has a relation to Him (1 John 2:29; in the Synodal translation, "does righteousness"). And that is not surprising, because He is the only righteous one in the world without any qualification. He is the only one who has shown the world the pattern of the living Torah.
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3:2 It doth not yet appear - Even to ourselves. What we shall be - It is something ineffable, which will raise the children of God to be, in a manner, as God himself. But we know, in general, that when he, the Son of God, shall appear, we shall be like him - The glory of God penetrating our inmost substance. For we shall see him as he is - Manifestly, without a veil. And that sight will transform us into the same likeness.