Commentaries:
Jamieson, Fausset, and Brown
inhabitant of Zion—Hebrew, "inhabitress"; so "daughter of Zion," that is, Zion and its people.
in the midst of thee—of Jerusalem literally (Jeremiah 3:17; Ezekiel 48:35; Zephaniah 3:15, Zephaniah 3:17; Zechariah 2:10).
The predictions as to foreign nations are for the sake of the covenant people, to preserve them from despair, or reliance on human confederacies, and to strengthen their faith in God: also in order to extirpate narrow-minded nationality: God is Jehovah to Israel, not for Israel's sake alone, but that He may be thereby Elohim to the nations. These prophecies are in their right chronological place, in the beginning of Hezekiah's reign; then the nations of Western Asia, on the Tigris and Euphrates, first assumed a most menacing aspect.
Other Jamieson, Fausset, and Brown entries containing Isaiah 12:6:
Isaiah 1:8
Isaiah 12:2
Zechariah 2:10
Revelation 15:3
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