Romans 4:11-12
He only got circumcision as a sign or seal of the righteousness which belonged to his faith as an uncircumcised man. The object of this was to make him the father of all who believe as uncircumcised persons and thus have righteousness counted to them,
Matthew 22:32
I am the God of Abraham and the God of Isaac and the God of Jacob? He is not a God of dead people but of living."
Romans 11:25
To prevent you from being self-conceited, brothers, I would like you to understand this secret: it is only a partial insensibility that has come over Israel, until the full number of the Gentiles come in.
Galatians 3:29
Now if you are Christ's, then you are Abraham's offspring; in virtue of the Promise, you are heirs.