Proverbs 30:6 in the World English Bible
Don’t you add to his words, lest he reprove you, and you be found a liar.
Context
5 Every word of God is pure: he is a shield unto them that put their trust in him.
6 Add thou not unto his words, lest he reprove thee, and thou be found a liar.
7 Two things have I required of thee; deny me them not before I die: