thy valiant men - manuscripts, the Septuagint, and Vulgate read, “thy valiant one,” Apis, the bull-shaped Egyptian idol worshipped at Noph or Memphis. The contrast thus is between the palpable impotence of the idol and the might attributed to it by the worshippers. The Hebrew term, “strong,” or “valiant,” is applied to bulls (Psa 22:12). Cambyses in his invasion of Egypt destroyed the sacred bull.
drive them - (Compare Jer 46:5). The Hebrew word is used of a sweeping rain (Pro 28:3).