Matthew Henry's Concise Commentary on the Bible - Isaiah 40:1-11
1-11 All human life is a warfare; the Christian life is the most so; but the struggle will not last always. Troubles are removed in love, when sin is pardoned. In the great atonement of the death of Christ, the mercy of God is exercised to the glory of his justice. In Christ, and his sufferings, true penitents receive of the Lord's hand double for all their sins; for the satisfaction Christ made by his death was of infinite value. The prophet had some reference to the return of the Jews from... read more
George Haydock's Catholic Bible Commentary - Isaiah 40:2
Evil. Hebrew and some Latin copies have, "warfare." --- Double. A rigorous chastisement, Apocalypse xviii. 6. (Calmet) read more