Romans 11:31

so they too are now disobedient because of the mercy shown you, that they too may now have mercy shown them.

Romans 10:16

However, they have not all given heed to the good news, for Isaiah says, "Lord, who has put faith in what we told?"

Romans 11:15

For if the rejection of them has resulted in the reconciling of the world, what will the result be of the final reception of them but life from the dead?

Romans 11:25

For to keep you from being self-conceited, brothers, I do not want to have a misunderstanding of this uncovered secret, that only temporary insensibility has come upon Israel until the full quota of the heathen peoples comes in,

Treasury of Scripture Knowledge

Summary

Even so have these also now not believed, that through your mercy they also may obtain mercy.

Bible References

Believed

Romans 10:16
However, they have not all given heed to the good news, for Isaiah says, "Lord, who has put faith in what we told?"
Romans 11:15
For if the rejection of them has resulted in the reconciling of the world, what will the result be of the final reception of them but life from the dead?