The light of the moon shall be as the light of the sun. "The promise now rises higher and higher, and passes from earth to heaven" (Delitzsch). All nature will become more glorious in the "last times."
Moonlight will be as sunlight, and sunlight will be seven times brighter than it is now. Again, there may be an under allegorical sense. The light of truth will shine with greater brilliancy, so that all inch will be enlightened by it.
"For the earth shall be full of the knowledge of God, as the waters cover the sea" (Isaiah 11:9). As the light of seven days; i.e. as though the light of seven days were concentrated into one. In the day that the Lord bindeth up the breach.
At that period in the world's history when God forgives the iniquities of his people, and condescends to reign over them as their actual King, either in this present world or in "anew heaven and anew earth" (Revelation 21:1; comp.
Isaiah 66:22), wherein shall "dwell righteousness" (2 Peter 3:13). And healeth the stroke of their wound; rather, the wound of his stroke; i.e. the wound caused by the stroke wherewith he has smitten them.