Joel
Joel 3:12BSB·traditional attribution

Let the nations be roused and advance to the Valley of Jehoshaphat, for there I will sit down to judge all the nations on every side.

John Calvin Reformed @genevareformer

The Prophet proceeds with the same subject, — that God will at length become an avenger of the wrongs of his people, when they shall be unjustly harassed by profane men. We indeed know that God does not immediately succor his servants but rests as though he did not regard their troubles; but this he does to try their patience; and then at a suitable...

Matthew Henry Presbyterian @wholebiblehenry

What the psalmist had long before ordered to be said among the heathen (Psa 96:10) the prophet here will have in like manner to be published to all nations, That the Lord reigns, and that he comes, he comes to judge the earth, as he had long been judging in the earth.

Commenting on Joel 3:9-17

John Gill Reformed Baptist @doctorgill

Let the Heathen be awakened, and come to the valley of Jehoshaphat,.... That is, let the enemies of Christ and his church be aroused from that state of security in which they are, and prepare for their own defence; for in such a state the antichristian powers will be before their destruction; see Rev 18:7; let them bestir themselves, and exert all the rigour and...