Adam Clarke's Commentary on the Bible - Isaiah 52:7
How beautiful - The watchmen discover afar off, on the mountains, the messenger bringing the expected and much-wished-for news of the deliverance from the Babylonish captivity. They immediately spread the joyful tidings, Isaiah 52:8 , and with a loud voice proclaim that Jehovah is returning to Zion, to resume his residence on his holy mountain, which for some time he seemed to have deserted. This is the literal sense of the place. "How beautiful on the mountains are the feet of the... read more
John Gills Exposition of the Bible Commentary - Isaiah 52:15
So shall he sprinkle many nations ,.... This is not to be understood of water baptism, for though this has been administered in many nations, yet not by Christ, nor done by sprinkling; rather of the grace of the Spirit, which is expressed by water, and its application by sprinkling, and is of a cleansing and sanctifying nature, and which Gentiles are made partakers of; but better of the blood of Christ, called the blood of sprinkling, by which the conscience is purged from dead works, and... read more