1 Samuel 7:2
And it came to pass, from the day that the ark abode in Kiriath-jearim, that the time was long, for it was twenty years, and all the house of Israel lamented after LORD.
Judges 2:4
And it came to pass, when the agent of LORD spoke these words to all the sons of Israel, that the people lifted up their voice, and wept.
Jeremiah 31:9
They shall come with weeping. And I will lead them with supplications. I will cause them to walk by rivers of waters, in a straight way in which they shall not stumble. For I am a father to Israel, and Ephraim is my firstborn.
Zechariah 12:10-11
And I will pour upon the house of David, and upon the inhabitants of Jerusalem, the spirit of grace and of supplication. And they shall look to me whom they have pierced. And they shall mourn for him, as [a man] mourns for his only
Matthew 5:4
Blessed are those who mourn, because they will be comforted.
2 Corinthians 7:10-11
For sorrow toward God works repentance for salvation without regret, but the sorrow of the world works death.