The two walls; either those 2 Kings 25:4, or those 2 Chronicles 32:5, in both which places we read of two walls. For the water of the old pool; to receive the waters conveyed into it by pipes from the old pool. The maker thereof; either,
1. Of the water; for both the springs and the rain which filleth the pools are from God alone: or,
2. Of Jerusalem, expressed in the foregoing verse, and easily understood here, because all these works were undertaken for Jerusalem's defence and provision. And it is usual in Scripture for the pronoun relative to be put by itself, without any express mention of the person or thing to which it belongs, which is left to the reader to gather out of the foregoing or following words; of which See Poole on "Psalms 87:1", See Poole on "Song of Solomon 1:1". Him that fashioned it, Heb. the former or framer of it, God; who made it a city, and the place of his special presence and worship; which also he had undertaken to protect, if the people would observe his commands; to whom therefore they should have resorted and trusted in this time of their distress. Long ago; which clause may be added to aggravate their sin, in distrusting that God who had now for a long time given proof of his care and kindness in defending this city.