Matthew 9:15

And Jesus said unto them, Can the friends of the bridegroom mourn, while the bridegroom is with them? but the days will come when the bridegroom shall be taken from them, and then they will fast.

Romans 9:2

that I have great grief and continual sorrow in my heart:

James 4:9

Be grieved, and mourn, and weep: let your mirth be turned into mourning, and your joy to sadness.

Revelation 11:5

And if any one seek to injure them, fire cometh out of their mouth, and devoureth their enemies: yea, if any one shall desire to injure them, thus shall he be slain.

Treasury of Scripture Knowledge

Summary

In those days I Daniel was mourning three full weeks.

Bible References

I daniel

Matthew 9:15
And Jesus said unto them, Can the friends of the bridegroom mourn, while the bridegroom is with them? but the days will come when the bridegroom shall be taken from them, and then they will fast.
Romans 9:2
that I have great grief and continual sorrow in my heart:
James 4:9
Be grieved, and mourn, and weep: let your mirth be turned into mourning, and your joy to sadness.
Revelation 11:5
And if any one seek to injure them, fire cometh out of their mouth, and devoureth their enemies: yea, if any one shall desire to injure them, thus shall he be slain.