Every word of God is pure; He is a shield to those who put their trust in Him.
Proverbs 30:5
Surrounding context
30:4 Who has ascended into heaven, or descended? Who has gathered the wind in His fists? Who has bound the waters in a garment? Who has established all the ends of the earth? What is His name, and what is His Son's name, If you know?
30:5 Every word of God is pure; He is a shield to those who put their trust in Him.
30:6 Do not add to His words, Lest He rebuke you, and you be found a liar.