"I will have mercy upon whom I will have mercy," He said, "And I will have compassion upon whom I will have compassion." (Exodus 33:19).

Christ is the end of the law so that there may be righteousness for everyone who believes. (Romans 10:4)

As far as the gospel is concerned, they are enemies on your account; but as far as election is concerned, they are loved on account of the patriarchs, for God's gifts and his call are irrevocable. (Romans 11:28-29)