blast - rather, “I will put a spirit (Isa 28:6; 1Ki 22:23) into him,” that is, so influence his judgment that when he hears the report (Isa 37:9, concerning Tirhakah), he shall return [Gesenius]; the “report” also of the destruction of his army at Jerusalem, reaching Sennacherib, while he was in the southwest of Palestine on the borders of Egypt, led him to retreat.