[103] On which account we labour to bind each of the mouthpieces of the senses before-mentioned with the imperishable bonds of temperance. "For whatever is not bound with a bond," says Moses, in another passage, "is impure," [67] as if the cause of its unhappiness was the fact of the parts of the soul being relaxed and open and dissolved; but that the fact of their being compacted and tightly bound together contributed to goodness and soundness of life and reason. He, therefore, curses the godless and impious Cain with deserved curses; because, having opened the caverns of this concrete creature, he opened his mouth for all external things, praying to receive them in an insatiable manner and to contain them, to the utter destruction of the God-loving doctrine, Abel.