Commentary Critical and Explanatory on the Whole Bible - Isaiah 40:4
4. Eastern monarchs send heralds before them in a journey to clear away obstacles, make causeways over valleys, and level hills. So John's duty was to bring back the people to obedience to the law and to remove all self-confidence, pride in national privileges, hypocrisy, and irreligion, so that they should be ready for His coming (Malachi 4:6; Luke 1:17). crooked—declivities. read more
Thomas Coke Commentary on the Holy Bible - Isaiah 40:3-5
Isaiah 40:3-5. The voice of him that crieth— It is manifest to every reader of this passage, that it exhibits to us the voice of a public herald or harbinger, who, at the approach of an illustrious king, commands the ways to be levelled, and made fit for his reception, easy and commodious for his passage. The metaphor is taken from a custom of remotest antiquity. Thus Arrian, speaking of Alexander, says, "He now marched towards the river Indus, his army going before, to prepare the way for him;... read more