Romans 11:5, 16, 26

Even so then, at this present time there is a remnant according to the election of grace.

For if the firstfruit is holy, the lump is also holy; and if the root is holy, so are the branches.

And so all Israel will be saved, as it is written: “The Deliverer will come out of Zion, And He will turn away ungodliness from Jacob