Romans 11:5-7

11:5 So in the same way at the present time there is a remnant chosen by grace. 11:6 And if it is by grace, it is no longer by works, otherwise grace would no longer be grace. 11:7 What then? Israel failed to obtain what it was diligently seeking, but the elect obtained it. The rest were hardened,

Romans 11:23-24

11:23 And even they – if they do not continue in their unbelief – will be grafted in, for God is able to graft them in again. 11:24 For if you were cut off from what is by nature a wild olive tree, and grafted, contrary to nature, into a cultivated olive tree, how much more will these natural branches be grafted back into their own olive tree?

Romans 11:28-32

11:28 In regard to the gospel they are enemies for your sake, but in regard to election they are dearly loved for the sake of the fathers. 11:29 For the gifts and the call of God are irrevocable. 11:30 Just as you were formerly disobedient to God, but have now received mercy due to their disobedience, 11:31 so they too have now been disobedient in order that, by the mercy shown to you, they too may now receive mercy. 11:32 For God has consigned all people to disobedience so that he may show mercy to them all.