Another "MUCH MORE" Scripture:
We are told in Scriptures from Romans chapter 11 that there are two trees, the olive branch and the wild olive branch. Israel was on the olive branch, but was cut off because of unbelief. The Gentiles were on the wild olive branch, and many were grafted into the olive branch because of belief, (faith in our Lord). The olive branch, which is the natural branch/tree will have Israel grafted back in because of belief (faith in our Lord Jesus Christ).
Romans 11:24-26 KJV For if thou wert cut out of the olive tree which is wild by nature, and wert graffed contrary to nature into a good olive tree: how MUCH MORE shall these, which be the natural branches, be graffed into their own olive tree? 25 For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in. 26 And so all Israel shall be saved: as it is written, There shall come out of Sion the Deliverer, and shall turn away ungodliness from Jacob: