John 16:20-22

Truly, truly I tell you, you will be wailing and lamenting while the world is rejoicing; you will be sorrowful, but then your sorrow will be changed into joy.

Romans 15:9-12

and also in order that the Gentiles should glorify God for His mercy ??as it is written, Therefore will I offer praise to Thee among the Gentiles, and sing to thy name;

Revelation 11:3-15

But I will allow my two witnesses to prophesy for twelve hundred and sixty days, clad 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 also in order that the Gentiles should glorify God for His mercy ??as it is written, Therefore will I offer praise to Thee among the Gentiles, and sing to thy name;

That mourn

John 16:20
Truly, truly I tell you, you will be wailing and lamenting while the world is rejoicing; you will be sorrowful, but then your sorrow will be changed into joy.
Revelation 11:3
But I will allow my two witnesses to prophesy for twelve hundred and sixty days, clad in sackcloth

General references

Matthew 5:4
Blessed are the mourners! they will be consoled.
Romans 9:2
when I say that I am in sore pain. I suffer endless anguish of heart.