Albert Barnes' Notes on the Whole Bible - Isaiah 45:2
I will go before thee - To prepare the way for conquest, a proof that it is by the providence of God that the proud conquerors of the earth are enabled to triumph. The idea is, I will take away everything that would retard or oppose your victorious march.And make the crooked paths straight - (See the note at Isaiah 40:4). The Chaldee renders this, ‘My word shall go before thee, and I will prostrate the walls.’ Lowth renders it, ‘Make the mountains plain.’ Noyes, ‘Make the high places plain.’... read more
The Pulpit Commentary - Isaiah 45:3
I will give thee the treasures of darkness ; i.e. "treasures stored in dark places"—"bidden treasures." Treasuries were built for greater security without windows. Of the treasures which fell into the hands of Cyrus, the greatest were probably those of Babylon (Herod; 1.183) and of Sardis (Xen; 'Cyrop.,' 7.2, § 11). The value of the latter has been estimated at above one hundred and twenty-six millions sterling. That thou mayest know ; or, acknowledge . If these documents are accepted... read more