vain thing for # 05_DEU_32_47 # For it [is] not a vain thing for you; because it [is] your life: and through this thing ye shall prolong [your] days in the land, whither ye go over Jordan to possess it. vain thing for # 19_PSA_33_17 # An horse [is] a vain thing for safety: neither shall he deliver [any] by his great strength.