Proverbs 30:5 in the King James Version
Every word of God is pure: he is a shield unto them that put their trust in him.
Context
4 Who has ascended up into heaven, and descended? Who has gathered the wind in his fists? Who has bound the waters in his garment? Who has established all the ends of the earth? What is his name, and what is his son’s name, if you know?
5 “Every word of God is flawless. He is a shield to those who take refuge in him.
6 Don’t you add to his words, lest he reprove you, and you be found a liar.