Romans 11:11-12
11:11 I ask then, they did not stumble into an irrevocable fall, did they? Absolutely not! But by their transgression salvation has come to the Gentiles, to make Israel jealous.
11:12 Now if their transgression means riches for the world and their defeat means riches for the Gentiles, how much more will their full restoration bring?
Romans 11:17
11:17 Now if some of the branches were broken off, and you, a wild olive shoot, were grafted in among them and participated in the richness of the olive root,
Romans 11:23-24
11:23 And even they – if they do not continue in their unbelief – will be grafted in, for God is able to graft them in again.
11:24 For if you were cut off from what is by nature a wild olive tree, and grafted, contrary to nature, into a cultivated olive tree, how much more will these natural branches be grafted back into their own olive tree?