And the scripture, foreseeing that God would justify the Gentiles by faith, proclaimed the gospel to Abraham ahead of time, saying, “All the nations will be blessed in you.”

But the scripture imprisoned everything and everyone under sin so that the promise could be given – because of the faithfulness of Jesus Christ – to those who believe.

But what does the scripture say? “Throw out the slave woman and her son, for the son of the slave woman will not share the inheritance with the son” of the free woman.