Romans 4:11-12
And he received the sign of circumcision as a seal of the righteousness of the faith which he had in uncircumcision: that he might be the father of all that believe though not circumcised, that righteousness may be imputed to them also:
Matthew 22:32
saying, I am the God of Abraham, and the God of Isaac, and the God of Jacob? God is not the God of the dead, but of the living.
Romans 11:25
For I would not have you, brethren, to be ignorant of this mystery, (least ye should be wise in your own eyes) that blindness in part is befallen Israel, till the fulness of the Gentiles be come in.
Galatians 3:29
And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.