Salvation is from and of the Jews.

Eph 2:19-22 we ''Gentiles" are fit into His family

The reason for the rejection of Israel is because of unbelief. We as Gentile believers must keep that in mind.

Eph 2:8-10 lest any man should boast. For we are his workmanship

Romans 11:21

Eph 2:11 our position