Galatians 4:1

Now I say, that the heir, as long as he is a child, differeth in no respect from a bondservant, though he is lord of all;

Galatians 4:23

But the one by the bondwoman was born after the flesh; while the one by the freewoman was through the promise.

Galatians 4:29

But as at that time he that was born after the flesh persecuted him that was born through the Spirit, so it is now.

Treasury of Scripture Knowledge

Summary

Now I say, That the heir, as long as he is a child, differeth nothing from a servant, though he be lord of all;

Bible References

That

Galatians 4:23
But the one by the bondwoman was born after the flesh; while the one by the freewoman was through the promise.