Joel 2:15

13Tear your heart and not your garments, and turn to the LORD, your God; for he is gracious and merciful, slow to anger, and abundant in loving kindness, and relents from sending calamity.

14Who knows? He may turn and relent, and leave a blessing behind him, even a meal offering and a drink offering to the LORD, your God.

15Blow the trumpet in Zion! Sanctify a fast. Call a solemn assembly.

16Gather the people. Sanctify the assembly. Assemble the elders. Gather the children, and those who nurse from breasts. Let the bridegroom go out of his room, and the bride out of her chamber.

17Let the priests, the ministers of the LORD, weep between the porch and the altar, and let them say, “Spare your people, LORD, and don’t give your heritage to reproach, that the nations should rule over them. Why should they say among the peoples, ‘Where is their God?’”