Blessed are those who mourn

Matthew 5:4 Blessed are those who mourn, for they will be comforted.
What does mourn mean? Mourn is mourn for one’s sins, seeing one’s own sins, mourn for the sins, confess and repent before God, receive God’s forgiveness, receive God’s comfort.
For this is what the high and exalted One says—he who lives forever, whose name is holy:  “I live in a high and holy place, but also with the one who is contrite and lowly in spirit, to revive the spirit of the lowly and to revive the heart of the contrite. (Isaiah 57:15)
Here it is said that God dwells with those who are humble and contrite in heart, just as water rushes down from mountain tops and accumulate in the lowliest places, so does God give grace to the humble. God is with those who mourn for their sins and humble in heart, and revive their souls.
Godly sorrow brings repentance that leads to salvation and leaves no regret, but worldly sorrow brings death.  (2 Corinthians 7:10)
Here we see that there are two kinds of sorrows, one kind is sorrow according to God’s will, mourn for one’s own sins, confess and repent and receive God’s forgiveness, lead to salvation. The other kind is worldly sorrow, sorrow about worldly things, is not profitable spirituality, it brings dead.
He will wipe every tear from their eyes. There will be no more death or mourning or crying or pain, for the old order of things has passed away. (Revelation 21:4)
In the future, God will live with people in the new heaven and new earth. There will be no more tears, no more sorrow, no more pain, no more death, and everything will be new. Praise the Lord.
May God bless you and your family.