1 Then I saw a new heaven and a new earth, for the first heaven and the first earth had passed away, and the sea was no more. 2 And I saw the holy city, new Jerusalem, coming down out of heaven from God, prepared as a bride adorned for her husband. 3 And I heard a loud voice from the throne saying, “ Behold, the dwelling place of God is with man. He will dwell with them, and they will be his people, and God himself will be with them as their God. 4 He will wipe away every tear from their eyes, and death shall be no more, neither shall there be mourning, nor crying, nor pain anymore, for the former things have passed away.” – Revelation 21:1-4
This new and blessed state will be free from all trouble and sorrow; for, 1. All the effects of former trouble shall be done away. They have been often before in tears, by reason of sin, of affliction, of the calamities of the church; but now all tears shall be wiped away; no signs, no remembrance of former sorrows shall remain, any further than to make their present felicity the greater. God himself, as their tender Father, with his own kind hand, shall wipe away the tears of his children; and they would not have been without those tears when God shall come and wipe them away. 2. All the causes of future sorrow shall be for ever removed: There shall be neither death nor pain; and therefore no sorrow nor crying; these are things incident to that state in which they were before, but now all former things have passed away.
Matthew Henry’s Commentary on the Whole Bible (Spokane, WA; Olive Tree Bible Software) Commentary on Revelation 21:4