Psalm 8:2 in the King James Version
Out of the mouth of babes and sucklings hast thou ordained strength because of thine enemies, that thou mightest still the enemy and the avenger.
Context
1 LORD, our Lord, how majestic is your name in all the earth! You have set your glory above the heavens!
2 From the lips of babes and infants you have established strength, because of your adversaries, that you might silence the enemy and the avenger.
3 When I consider your heavens, the work of your fingers, the moon and the stars, which you have ordained,