And the number of the sons of Israel will be like the sand of the sea, which is without measure and cannot be numbered. And in the place where it will be said to them, 'You are not my people,' this will happen: it will be said to them, 'You are the sons of the living God.'
and not only these, but also ourselves, since we hold the first-fruits of the Spirit. For we also groan within ourselves, anticipating our adoption as the sons of God, and the redemption of our body.
And similarly, the Spirit also helps our weakness. For we do not know how to pray as we ought, but the Spirit himself asks on our behalf with ineffable sighing.
In other words, those who are the sons of God are not those who are sons of the flesh, but those who are sons of the Promise; these are considered to be the offspring.
For our glory is this: the testimony of our conscience, which is found in simplicity of heart and in sincerity toward God. And it is not with worldly wisdom, but in the grace of God, that we have conversed with this world, and more abundantly toward you.
In him, you also, after you heard and believed the Word of truth, which is the Gospel of your salvation, were sealed with the Holy Spirit of the Promise.
See what kind of love the Father has given to us, that we would be called, and would become, the sons of God. Because of this, the world does not know us, for it did not know him.
In this way, the sons of God are made manifest, and also the sons of the devil. Everyone who is not just, is not of God, as also anyone who does not love his brother.
Most beloved, we are now the sons of God. But what we shall be then has not yet appeared. We know that when he does appear, we shall be like him, for we shall see him as he is.
Whoever believes in the Son of God, holds the testimony of God within himself. Whoever does not believe in the Son, makes him a liar, because he does not believe in the testimony which God has testified about his Son.