Galatians 4:7

You, therefore, are no longer a slave, but a son; and, if a son, then an heir also, by God's appointment.

Romans 8:16-17

The Spirit himself unites with our spirits in bearing witness to our being God's children,

1 Corinthians 3:21-23

Therefore let no one boast about men; for all things are yours--

2 Corinthians 6:16-18

What agreement can thee be between a temple of God and idols? And we are a temple of the Living God. That is what God meant when he said--'I will dwell among them, and walk among them; and I will be their God, and they shall be my people.

Galatians 3:26

For you are all Sons of God, through your faith in Christ Jesus.

Galatians 3:29-2

And, since you belong to Christ, it follows that you are Abraham's offspring and, under the promise, sharers in the inheritance.

Galatians 4:5-6

To ransom those who were subject to Law, so that we might take our position as sons.

Galatians 4:31-1

And so, Brothers, we are not children of a slave, but of her who is free.

Revelation 21:7

He who conquers shall enter into possession of these things, and I will be his God, and he shall be my Son.

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
My point is this--As long as the heir is under age, there is no difference between him and a slave, though he is master of the whole estate.
Galatians 5:1
It is for freedom that Christ set us free; stand firm therefore, and do not again be held under the yoke of slavery.

If

Galatians 3:29
And, since you belong to Christ, it follows that you are Abraham's offspring and, under the promise, sharers in the inheritance.
Romans 8:16
The Spirit himself unites with our spirits in bearing witness to our being God's children,