Commentaries:
Jamieson, Fausset, and Brown
he strengthened himself—He made a careful inspection of the city defenses for the purpose of repairing breaches in the wall here, renewing the masonry there, raising projecting machines to the towers, and especially fortifying the lower portion of Zion, that is, Millo, "(in) the original city of David." "In" is a supplement of our translators, and the text reads better without it, for it was not the whole city that was repaired, but only the lower portion of Zion, or the original "city of David."
when Hezekiah saw that Sennacherib . . . was purposed to fight against Jerusalem—An account of the means taken to fortify Jerusalem against the threatened siege is given only in this passage. The polluting or filling up of wells, and the altering of the course of rivers, is an old practice that still obtains in the wars of the East. Hezekiah's plan was to cover the fountain heads, so that they might not be discovered by the enemy, and to carry the water by subterranean channels or pipes into the city—a plan which, while it would secure a constant supply to the inhabitants, would distress the besiegers, as the country all around Jerusalem was very destitute of water.
Other Jamieson, Fausset, and Brown entries containing 2 Chronicles 32:5:
1 Kings 9:15-24
2 Kings 25:4
Isaiah 21:17
Isaiah 22:9
Isaiah 22:9
Isaiah 22:10
Isaiah 22:11
Isaiah 37:35
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