Commentaries
4:9-11 All true believers wholly ascribe their redemption and conversion, their present privileges and future hopes, to the eternal and most holy God. Thus rise the for-ever harmonious, thankful songs of the redeemed in heaven. Would we on earth do like them, let our praises be constant, not interrupted; united, not divided; thankful, not cold and formal; humble, not self-confident.
10. fall—immediately. Greek, "shall fall down": implying that this ascription of praise shall be repeated onward to eternity. So also, "shall worship … shall cast their crowns," namely, in acknowledgment that all the merit of their crowns (not kingly diadems, but the crowns of conquerors) is due to Him.