Moffatt(i)
5 and you know he appeared to take [our] sins away. In him there is no sin;
6 anyone who remains in him does not sin — anyone who sins has neither seen nor known him.
7 Let no one deceive you, my dear children: he who practises righteousness is just, as He is just;
8 he who commits sin belongs to the devil, for the devil is a sinner from the very beginning. (This is why the Son of God appeared, to destroy the deeds of the devil.)