Romans 16:18 in the King James Version
For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.
Context
17 Now I beg you, brothers, look out for those who are causing the divisions and occasions of stumbling, contrary to the doctrine which you learned, and turn away from them.
18 For those who are such don’t serve our Lord Jesus Christ, but their own belly; and by their smooth and flattering speech they deceive the hearts of the innocent.
19 For your obedience has become known to all. I rejoice therefore over you. But I desire to have you wise in that which is good, but innocent in that which is evil.