Thus saith the LORD; I am returned unto Zion, and will dwell in the midst of Jerusalem: and Jerusalem shall be called a city of truth; and the mountain of the LORD of hosts the holy mountain.
God's jealousy here is not reproof for the Church's unfaithfulness, but His burning concern for her protection. The verb means affection and care, not suspicion; He burned with wrath against all enemies of His people while regarding His Church with singular love. His resolve was to defend the godly against the whole world if necessary.
AI summary
Commenting on Zechariah 8:1-23
The prophet, in his foregoing discourses, had left his hearers under a high charge of guilt and a deep sense of wrath; he had left them in a melancholy view of the desolations of their pleasant land, which was the effect of their fathers' disobedience; but because he designed to bring them to repentance, not to drive them to despair, he here sets before them...
Commenting on Zechariah 8:1-8
Thus saith the Lord of hosts,.... These words are used at every consolatory promise given, as Kimchi observes, for the confirmation of it: there shall yet old men and old women dwell in the streets of Jerusalem; signifying that the inhabitants should be very healthful; no sweeping disease or calamity should be among them, but they should live to a good old age, as follows...