Jews.

Esther 4:1-3, 16
When Mordecai learned of all that had happened, he tore his clothes, put on sackcloth and ashes, and went out into the middle of the city, wailing loudly and bitterly. . . .

Psalm 30:5-11
For His anger is fleeting, but His favor lasts a lifetime. Weeping may stay the night, but joy comes in the morning. . . .

had light.

Esther 9:17
This was done on the thirteenth day of the month of Adar, and on the fourteenth day they rested, making it a day of feasting and joy.

Psalm 18:28
For You, O LORD, light my lamp; my God enlightens my darkness.

Psalm 97:11
Light is sown on the righteous, gladness on the upright in heart.

Proverbs 4:18, 19
The path of the righteous is like the first gleam of dawn, shining brighter and brighter until midday. . . .

Proverbs 11:10
When the righteous thrive, the city rejoices, and when the wicked perish, there are shouts of joy.

Isaiah 30:29, 30
You will sing as on the night of a holy festival, and your heart will rejoice like one who walks to the music of a flute, going up to the mountain of the LORD, to the Rock of Israel. . . .

Isaiah 35:10
and the ransomed of the LORD will return. They will enter Zion with singing, crowned with everlasting joy. Joy and gladness will overtake them, and sorrow and sighing will flee.