'Unweaned' in the Bible

Out of the mouths of infants and nursing babes You have established strengthBecause of Your adversaries,That You might silence the enemy and make the revengeful cease.

and they said to Him, “Do You hear what these children are saying?” And Jesus replied to them, “Yes; have you never read [in the Scripture], ‘Out of the mouths of infants and nursing babies You have prepared and provided praise for Yourself’?”