Joel 2:21

“Fear not, O land, etc.] O land of Israel, as the Targum, and the inhabitants of it; neither of the locusts, who had so terrified them, and had done so much mischief, and threatened more; nor of their enemies, the Assyrians or Chaldeans, and their powerful armies, or any other; but, on the contrary, be glad, and rejoice; at the removal of the locusts, and at the destruction of their enemies: for the Lord will do great things; good things, in opposition to the evil things done by the locusts, as Aben Ezra, Kimchi, and Ben Melech observe; or by the destroying army of the king of Assyria, by delivering the Jews out of the Babylonish captivity; and in the times of the Maccabees, and especially in…”

“In an ascending gradation, the land destroyed by the enemy, the beasts of the field, and the children of Zion, the land's inhabitants, are addressed, the former two by personification. Lord will do great things--In contrast to the "great things" done by the haughty foe (Joe 2:20) to the hurt of Judah stand the "great things" to be done by Jehovah for her benefit (compare Psa 126:2-3).”

“Fear not, O land - Before, they were bidden to tremble Joel 2:1, now they are bidden, “fear not;” before, “to turn in weeping, fasting and mourning;” now, “to bound for joy and rejoice;” before, “the land mourned;” now, “the land is bidden to rejoice.” The enemy had “done great things;” now the cause of joy is that God had “done great things;” the Almightiness of God overwhelming and sweeping over the might put forth to destroy. It is better rendered, “the Lord hath done great things.” If Joel includes herein God’s great doings yet to come, he speaks of them as, in the purpose of God, already in being; or he may, in this verse, presuppose that this new order of God’s mercies has begun, in…”

“2:21-22 Don’t be afraid: God’s great deliverance would be full and complete.”

“Fear: Gen 15:1; Isa 41:10, Isa 54:4; Jer 30:9, Jer 30:10; Zep 3:16, Zep 3:17; Zac 8:15 be glad: Psa 65:12, Psa 65:13, Psa 96:11, Psa 96:12, Psa 98:8; Isa 35:1, Isa 44:23, Isa 55:12; Hos 2:21 for: Joe 2:20; Deu 4:32; Sa1 12:16, Sa1 12:24; Psa 71:19, Psa 126:1-3; Jer 33:3 Joel 2:22”

“This promise is carried out still further in what follows; and Joel summons the earth ( Joe 2:21), the beasts of the field ( Joe 2:22), and the sons of Zion ( Joe 2:23) to joy and exultation at this mighty act of the Lord, by which they have been delivered from the threatening destruction. Joe 2:21. "Fear not, O earth! exult and rejoice: for Jehovah doeth great things! Joe 2:22. Fear ye not, O beasts of the field! for the pastures of the desert become green, for the tree bears its fruit; fig-tree and vine yield their strength. Joe 2:23. And ye sons of Zion, exult and rejoice in the Lord your God; for He giveth you the teacher for righteousness, and causes to come down to you a rain-fall,…”