John Gills Exposition of the Bible Commentary - Isaiah 40:7
The grass withereth, the flower fadeth ,.... And so does man, and all his glory and goodliness: because the Spirit of the Lord bloweth upon it : alluding to some impetuous and blasting wind blowing upon herbs and flowers, to the withering and fading of them; see Psalm 103:15 , legal ordinances ceased upon the pouring forth of the Spirit. The external excellencies of men, or their outward advantages, perish at the breath of God, at the blast of his nostrils, when taken away by death;... read more
Matthew Henry's Complete Commentary - Isaiah 40:3-8
The time to favour Zion, yea, the set time, having come, the people of God must be prepared, by repentance and faith, for the favours designed them; and, in order to call them to both these, we have here the voice of one crying in the wilderness, which may be applied to those prophets who were with the captives in their wilderness-state, and who, when they saw the day of their deliverance dawn, called earnestly upon them to prepare for it, and assured them that all the difficulties which stood... read more