19:21 This [is] the word that the LORD hath spoken concerning him; The {n} virgin the daughter of Zion hath despised thee, [and] laughed thee to scorn; the daughter of Jerusalem hath shaken her head at thee.
(n) Because as yet Jerusalem had not been taken by the enemy therefore he calls her virgin.
19:21 Virgin - So he calls Zion, or Jerusalem; because she was pure in good measure from that gross idolatry wherewith other people were defiled, which is called spiritual whoredom: and to signify, that God would defend her from the rape which Sennacherib intended to commit upon her with no less care than parents do their virgin daughters from those who seek to force and deflower them.
19:20-34 All Sennacherib's motions were under the Divine cognizance. God himself undertakes to defend the city; and that person, that place, cannot but be safe, which he undertakes to protect. The invasion of the Assyrians probably had prevented the land from being sown that year. The next is supposed to have been the sabbatical year, but the Lord engaged that the produce of the land should be sufficient for their support during those two years. As the performance of this promise was to be after the destruction of Sennacherib's army, it was a sign to Hezekiah's faith, assuring him of that present deliverance, as an earnest of the Lord's future care of the kingdom of Judah. This the Lord would perform, not for their righteousness, but his own glory. May our hearts be as good ground, that his word may strike root therein, and bring forth fruit in our lives.