23. he said—namely, to Moses (De 9:13). With God, saying is as certain as doing; but His purpose, while full of wrath against sin, takes into account the mediation of Him of whom Moses was the type (Ex 32:11-14; De 9:18, 19).
Moses his chosen—that is, to be His servant (compare Ps 105:26).
in the breach—as a warrior covers with his body the broken part of a wall or fortress besieged, a perilous place (Eze 13:5; 22:30).
to turn away—or, "prevent"
his wrath—(Nu 25:11; Ps 78:38).