Every valley shall be exalted. — The figure is drawn from the titanic engineering operations of the kingly road-makers of the East, but the parable is hardly veiled. The meek exalted, the proud brought low, wrong ways set right, rough natures smoothed: that is the true preparation for the coming of the Lord, and therefore the true work of every follower of the Baptist in preparing the way. (Comp. Matthew 3:5-7; Luke 3:3-9.)
Related Commentaries of Isaiah 40:4
Isaiah 40:4
4 Every valley shall be exalted, and every mountain and hill shall be made low: and the crooked shall be made straight,b and the rough places plain: