Romans 11:25
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.
Romans 15:20
Yea, so have I strived to preach the gospel, not where Christ was named, lest I should build upon another man's foundation: