Psalm 8:2
Out of the mouth of babes and sucklings have you ordained strength because of your enemies, that you might still the enemy and the avenger.
Torrey's Topical Textbook—AKJV

Matthew 21:16
And said to him, Hear you what these say? And Jesus said to them, Yes; have you never read, Out of the mouth of babes and sucklings you have perfected praise?
Torrey's Topical Textbook—AKJV