Albert Barnes' Notes on the Whole Bible - Romans 9:6
Not as though ... - Not as though the promise of God had entirely failed. Though I grieve thus Romans 9:2-3, though I am deeply apprehensive for the nation, yet I do not affirm that all the nation is to be destroyed. The promise of God will not entirely fail.Not all Israel - Not all the descendants of Jacob have the true spirit of Israelites, or are Jews in the scriptural sense of the term; see the note at Romans 2:28-29. read more
The Pulpit Commentary - Romans 9:6-18
The children of the promise. We have seen St. Paul as a Christian patriot ready to sacrifice his everlasting fellowship with Christ if it could ensure the salvation of his fellow-countrymen. But, alas! the fact of the rejection of Jesus and his gospel by many of the Jews must be accepted. And when the apostle turns to history, he finds that there has been no wholesale salvation of either the descendants of Abraham or of Israel, but a certain proportion only became children of promise. How... read more