Luke 15:10   Likewise, I say unto you, there is joy in the presence of the angels of God over one sinner that repenteth.
Revelation 21:4 And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain:  for the former things are passed away.
Matthew 25:21 His lord said unto him, Well done, thou good and faithful servant: thou hast been faithful over a few things, I will make thee ruler over many things: enter thou into the joy of thy lord.