This chapter treats of a variety of ceremonial uncleannesses of a much less serious nature than leprosy. This latter would seem to be presented as the expression of the deep-seated energy of nature's evil; whereas chapter xv. details a number of things which are merely unavoidable infirmities, but which, as being in any measure the outflow of nature, were defiling, and needed the provisions of divine grace. The divine presence in the assembly demanded a high order of holiness and moral purity. Every movement of nature had to be counteracted. Even things which, so far as man was concerned, might seem to be unavoidable weaknesses, had a defiling influence, and required cleansing, because Jehovah was in the camp. Nothing offensive, nothing unsightly, nothing in any way uncomely, should be suffered within the pure, unsullied, and sacred precincts of the presence of the God of Israel. The uncircumcised nations around would have understood nothing of such holy ordinances; but Jehovah would have Israel holy, because He was Israel's God. If they were to be privileged and distinguished by having the presence of a holy God, they would need to be a holy people. Nothing can be more calculated to elicit the soul's admiration than the jealous care of Jehovah over all the habits and practices of His people. At home and abroad, asleep and awake, by day and by night, He guarded them. He attended to their food, He attended to their clothing, He attended to their most minute and private concerns. If some trifling spot appeared upon the person, it had to be instantly and carefully looked into. In a word, nothing was overlooked which could in any wise affect the well-being or purity of those with whom Jehovah had associated Himself, and in whose midst He dwelt. He took an interest in their most trivial affairs. He carefully attended to every thing connected with them, whether publicly, socially, or privately. This, to an uncircumcised person, would have proved an intolerable burden. For such an one to have a God of infinite holiness about his path by day and about his bed by night, would have involved an amount of restraint beyond all power of endurance; but to a true lover of holiness--a lover of God, nothing could be more delightful. Such an one rejoices in the sweet assurance that God is always near, and he delights in the holiness which is at once demanded and secured by the presence of God.