2 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.
2 Through the praise of children and infants you have established a stronghold against your enemies, to silence the foe and the avenger.
2 Out of the mouth of babies and infants, you have established strength because of your foes, to still the enemy and the avenger.
2 Nursing infants gurgle choruses about you; toddlers shout the songs That drown out enemy talk, and silence atheist babble.
2 Out of the mouth of babes and nursing infants You have ordained strength, Because of Your enemies, That You may silence the enemy and the avenger.
2 You have taught children and infants to tell of your strength, silencing your enemies and all who oppose you.
Matthew Henry's Commentary on Psalm 8:2
Commentary on Psalm 8:1-2
(Read Psalm 8:1-2)
The psalmist seeks to give unto God the glory due to his name. How bright this glory shines even in this lower world! He is ours, for he made us, protects us, and takes special care of us. The birth, life, preaching, miracles, suffering, death, resurrection, and ascension of Jesus are known through the world. No name is so universal, no power and influence so generally felt, as those of the Saviour of mankind. But how much brighter it shines in the upper world! We, on this earth, only hear God's excellent name, and praise that; the angels and blessed spirits above, see his glory, and praise that; yet he is exalted far above even their blessing and praise. Sometimes the grace of God appears wonderfully in young children. Sometimes the power of God brings to pass great things in his church, by very weak and unlikely instruments, that the excellency of the power might the more evidently appear to be of God, and not of man. This he does, because of his enemies, that he may put them to silence.