'Born of him!' Think what a love the Father has for us, in letting us be called 'children of God!' That is what we are. The world does not recognize us? That is simply because it did not recognize him.
But you are not in the flesh, you are in the Spirit, since the Spirit of God dwells within you. Anyone who does not possess the Spirit of Christ does not belong to Him.
meaning that instead of God's children being the children born to him by natural descent, it is the children of the Promise who are reckoned as his true offspring.
he who obeys his commands remains within him — and He remains within him. And this is how we may be sure he remains within us, by means of the Spirit he has given us.