Galatians 4:31

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

John 1:12-13

But all who have received Him, to them--that is, to those who trust in His name--He has given the privilege of becoming children of God;

John 8:36

If then the Son shall make you free, you will be free indeed.

Galatians 5:1

Christ having made us gloriously free--stand fast and do not again be hampered with the yoke of slavery.

Galatians 5:13

You however, brethren, were called to freedom. Only do not turn your freedom into an excuse for giving way to your lower natures; but become bondservants to one another in a spirit of love.

Hebrews 2:14-15

Since then the children referred to are all alike sharers in perishable human nature, He Himself also, in the same way, took on Him a share of it, in order that through death He might render powerless him who had authority over death, that is, the Devil,

1 John 3:1-2

See what marvellous love the Father has bestowed upon us--that we should be called God's children: and that is what we are. For this reason the world does not recognize us--because it has not known Him.

Treasury of Scripture Knowledge

Summary

So then, brethren, we are not children of the bondwoman, but of the free.

Bible References

We

Galatians 5:1
Christ having made us gloriously free--stand fast and do not again be hampered with the yoke of slavery.
John 1:12
But all who have received Him, to them--that is, to those who trust in His name--He has given the privilege of becoming children of God;
John 8:36
If then the Son shall make you free, you will be free indeed.
Hebrews 2:14
Since then the children referred to are all alike sharers in perishable human nature, He Himself also, in the same way, took on Him a share of it, in order that through death He might render powerless him who had authority over death, that is, the Devil,
1 John 3:1
See what marvellous love the Father has bestowed upon us--that we should be called God's children: and that is what we are. For this reason the world does not recognize us--because it has not known Him.