All Israel Will Be Saved

25 I do not want you to be ignorant of this mystery, brothers and sisters, so that you may not be conceited: Israel has experienced a hardening in part until the full number of the Gentiles has come in,

Read Romans 11:25 Using Other Translations

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.
Lest you be wise in your own sight, I want you to understand this mystery, brothers:a partial hardening has come upon Israel, until the fullness of the Gentiles has come in.
I want you to understand this mystery, dear brothers and sisters, so that you will not feel proud about yourselves. Some of the people of Israel have hard hearts, but this will last only until the full number of Gentiles comes to Christ.