Whom shall He teach knowledge? And whom shall He make to understand doctrine?

 The answer is, “Them that are weaned from the milk, and drawn from the breasts”. Isaiah chapter 28:9-13. 9 Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts. 10 For precept must be upon precept, precept upon precept; line upon line,…