John 16:20-22

Verily, verily, I say to you, that ye will weep and lament, but the world will rejoice: ye will be made sorrowful, but your sorrow will be turned into joy.

Romans 15:9-12

and that the gentiles might glorify God for His mercy; as it has been written, "For this cause, I will confess to Thee among the gentiles; and to Thy name will I sing praise."

Revelation 11:3-15

And I will give to My two witnesses, and they shall prophesy a thousand two hundred and sixty days, clothed in sackcloth."

Treasury of Scripture Knowledge

Summary

Rejoice ye with Jerusalem, and be glad with her, all ye that love her: rejoice for joy with her, all ye that mourn for her:

Rejoice ye

General references

Bible References

Rejoice ye

Romans 15:9
and that the gentiles might glorify God for His mercy; as it has been written, "For this cause, I will confess to Thee among the gentiles; and to Thy name will I sing praise."

That mourn

John 16:20
Verily, verily, I say to you, that ye will weep and lament, but the world will rejoice: ye will be made sorrowful, but your sorrow will be turned into joy.
Revelation 11:3
And I will give to My two witnesses, and they shall prophesy a thousand two hundred and sixty days, clothed in sackcloth."

General references

Matthew 5:4
"Happy are those who mourn: because they shall be comforted,