Revelation 21:4

And he will wipe every tear from their eyes, and there shall be no more death; neither shall there be any more sorrow, nor crying, nor pain; for the former things have passed away.

Revelation 7:15-17

Therefore, they are before the throne of God, and serve him day and night in his temple; and he that sits on the throne shall dwell among them.

Treasury of Scripture Knowledge

Summary

Thy sun shall no more go down; neither shall thy moon withdraw itself: for the LORD shall be thine everlasting light, and the days of thy mourning shall be ended.

General references

Bible References

The days

Revelation 7:15
Therefore, they are before the throne of God, and serve him day and night in his temple; and he that sits on the throne shall dwell among them.
Revelation 21:4
And he will wipe every tear from their eyes, and there shall be no more death; neither shall there be any more sorrow, nor crying, nor pain; for the former things have passed away.

General references

1 Corinthians 13:10
but when that which is perfect has come, then that which is in part shall have an end.