Galatians 4:7

Therefore you are no longer a slave, but a son; and if a son, then an heir also through God's own act.

Romans 8:16-17

The Spirit Himself bears witness, along with our own spirits, to the fact that we are children of God;

1 Corinthians 3:21-23

Therefore let no one boast about his human teachers.

2 Corinthians 6:16-18

And what compact has the Temple of God with idols? For *we* are the Temple of the ever-living God; as God has said, "I will dwell among them, and walk about among them; and will be their God, and it is they who shall be My people."

Galatians 3:26

You are all sons of God through faith in Christ Jesus;

Galatians 3:29-2

And if you belong to Christ, then you are indeed true descendants of Abraham, and are heirs in fulfilment of the promise.

Galatians 4:5-6

in order to purchase the freedom of all who were subject to Law, so that we might receive recognition as sons.

Galatians 4:31-1

Therefore, brethren, since we are not the children of a slave-girl, but of the free woman--

Revelation 21:7

All this shall be the heritage of him who overcomes, and I will be his God and he shall be one of My sons.

Treasury of Scripture Knowledge

Summary

Wherefore thou art no more a servant, but a son; and if a son, then an heir of God through Christ.

Bible References

Thou

Galatians 4:1
Now I say that so long as an heir is a child, he in no respect differs from a slave, although he is the owner of everything,
Galatians 5:1
Christ having made us gloriously free--stand fast and do not again be hampered with the yoke of slavery.

If

Galatians 3:29
And if you belong to Christ, then you are indeed true descendants of Abraham, and are heirs in fulfilment of the promise.
Romans 8:16
The Spirit Himself bears witness, along with our own spirits, to the fact that we are children of God;