John Gills Exposition of the Bible Commentary - Isaiah 30:21
And thine ears shall hear a word behind thee ,.... Which may be said in reference to the backsliding and declining state of the people, Isaiah 30:11 and is thought by some to be an allusion to schoolmasters, who stand behind their scholars, or at their backs, to guide, teach, and instruct them; and by others to shepherds following their flocks, who, when they observe any of the sheep going out of the way, call them back; or to travellers, who, coming to a place where are several ways, and... read more
Matthew Henry's Complete Commentary - Isaiah 30:18-26
The closing words of the foregoing paragraph (You shall be left as a beacon upon a mountain) some understand as a promise that a remnant of them should be reserved as monuments of mercy; and here the prophet tells them what good times should succeed these calamities. Or the first words in this paragraph may be read by way of antithesis, Notwithstanding this, yet will the Lord wait that he may be gracious. The prophet, having shown that those who made Egypt their confidence would be ashamed of... read more