21. whose heart … after … heart of … detestable things—The repetition of "heart" is emphatic, signifying that the heart of those who so obstinately clung to idols, impelled itself to fresh superstitions in one continuous tenor [Calvin]. Perhaps it is implied that they and their idols are much alike in character (Ps 115:8). The heart walks astray first, the feet follow.
recompense … way upon … heads—They have abandoned Me, so will I abandon them; they profaned My temple, so will I profane it by the Chaldeans (Eze 9:10).