Romans 11:31

so the Jews are at present incredulous, by reason of the mercy shown to you; so that they themselves are now to be pitied.

Romans 10:16

'tis true, faith comes by preaching, and preaching is by the divine appointment.

Romans 11:15

for, if by rejecting them, the world may be reconciled; what shall their restoration be, but a general resurrection?

Romans 11:25

I would not, brethren, have you ignorant of this secret, (for fear you should presume too much on your selves) that blindness has fallen upon a part of Israel, until the time when the Gentiles shall be fully come 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
'tis true, faith comes by preaching, and preaching is by the divine appointment.
Romans 11:15
for, if by rejecting them, the world may be reconciled; what shall their restoration be, but a general resurrection?