Zechariah 8:4-5

8:4 Moreover, the Lord who rules over all says, ‘Old men and women will once more live in the plazas of Jerusalem, each one leaning on a cane because of advanced age. 8:5 And the streets of the city will be full of boys and girls playing.

Zechariah 8:19

8:19 “The Lord who rules over all says, ‘The fast of the fourth, fifth, seventh, and tenth months will become joyful and happy, pleasant feasts for the house of Judah, so love truth and peace.’