Galatians 4:9

4:9 But now that you have come to know God (or rather to be known by God), how can you turn back again to the weak and worthless basic forces? Do you want to be enslaved to them all over again?

Galatians 4:25

4:25 Now Hagar represents Mount Sinai in Arabia and corresponds to the present Jerusalem, for she is in slavery with her children.

Galatians 4:31

4:31 Therefore, brothers and sisters, we are not children of the slave woman but of the free woman.