Thy watchmen... — The sentinels see the heralds from their watch-towers (Isaiah 21:6; Habakkuk 2:1), and sing out for joy, as they see, not only afar off, but “eye to eye,” the presence of the God who has become the King.
Related Commentaries of Isaiah 52:8
Isaiah 52:8
8 Thy watchmen shall lift up the voice; with the voice together shall they sing: for they shall see eye to eye, when the LORD shall bring again Zion.