The promise of the new covenant is that the whole house of Israel will know the LORD from the least of them to the greatest (Jeremiah 31:34). As has always been the case, those who belong to the house of Israel give birth to children who themselves are in the house of Israel. The LORD doesn’t send you out of His dwelling place to have your children. And He doesn’t require that you send your children out of His house after they are born. Moreover, He has made the new covenant promise that even the little ones will know Him. This is a promise from God to us guaranteed by Christ’s blood and sealed to us by His Holy Spirit through baptism.