Matthew 5:4

Blessed are they who mourn; for they will be comforted.

John 16:20-22

Truly, truly do I say to you, that ye will weep and lament, but the world will rejoice; ye will be sorrowful, but your sorrow will be turned into joy.

2 Corinthians 7:8-11

For though I caused you sorrow with the letter, I do not regret it, though I did regret it; for I perceive that that letter caused you sorrow, though it was but for a short time.

Galatians 6:9

And let us not be fainthearted in welldoing; for in due season we shall reap, if we faint not.

Treasury of Scripture Knowledge

Summary

They that sow in tears shall reap in joy.

General references

Bible References

That sow

Matthew 5:4
Blessed are they who mourn; for they will be comforted.
John 16:20
Truly, truly do I say to you, that ye will weep and lament, but the world will rejoice; ye will be sorrowful, but your sorrow will be turned into joy.
2 Corinthians 7:8
For though I caused you sorrow with the letter, I do not regret it, though I did regret it; for I perceive that that letter caused you sorrow, though it was but for a short time.

General references

Matthew 5:4
Blessed are they who mourn; for they will be comforted.