Multitudes, multitudes in the valley of decision! For the Day of the LORD is near in the valley of decision.
The Prophet confirms the same truth; but he multiplies words, because the devastation of the Church might have taken away all hope from God’s servants; for who could have said that the Church could be restored when it was so miserably wasted, yea, almost reduced to nothing? For the people were so scattered that the name of Israel was of no account.
This call to the nations to prepare war is spoken ironically: let all forces confederate against God if they dare. They are summoned to the battle of that great day when God shall judge the earth, gathering all nations to their ruin.
AI summary
Commenting on Joel 3:9-17
Multitudes, multitudes in the valley of decision,.... The same with the valley of Jehoshaphat before mentioned; which shows that not any valley of that name is intended, but a certain place so called from the judgments of God in it; and here named "the valley of decision", because here their judgment will be determined, as Kimchi and Jarchi; and at this time the controversy between...