Read: Esther 8, 9 and 10
Today I noticed Esther 9:22:
As the days on which the Jews got relief from their enemies, and as the month that had been turned for them from sorrow into gladness and from mourning into a holiday; that they should make them days of feasting and gladness, days for sending gifts of food to one another and gifts to the poor. (Emphasis added)
This reminded me of Psalm 30. Go read it at Biblegateway.com.