WEB
For I don’t desire you to be ignorant, brothers, of this mystery, so that you won’t be wise in your own conceits, that a partial hardening has happened to Israel, until the fullness of the Gentiles has come in,
YLT
For I do not wish you to be ignorant, brethren, of this secret—that ye may not be wise in your own conceits—that hardness in part to Israel hath happened till the fulness of the nations may come in;