Joel
Joel 2:12ESV·traditional attribution

“Yet even now,” declares the LORD, “return to me with all your heart, with fasting, with weeping, and with mourning;

John Calvin Reformed @genevareformer

The Prophet, having proclaimed the dreadful judgment which we have noticed, now shows that he did not intend to terrify the people without reason, but, on the contrary, to encourage them to repentance; which he could not do without offering to them the hope of pardon; for as we have said before, and as it may be collected from the whole of Scripture, men cannot...

Matthew Henry Presbyterian @wholebiblehenry

We have here an earnest exhortation to repentance, inferred from that desolating judgment described and threatened in the foregoing verses: Therefore now turn you to the Lord. 1. "Thus you must answer the end and intention of the judgment; for it was sent for this end, to convince you of your sins, to humble you for them, to reduce you to your right minds and...

Commenting on Joel 2:12-17

John Gill Reformed Baptist @doctorgill

Therefore also now, saith the Lord,.... Before this terrible and intolerable day, which is near at hand, comes; before these judgments and calamities threatened take place, though just at hand; serious repentance is never too late, now is the accepted time; see Luk 19:42; turn ye even to me with all your heart; against whom they had sinned, and who had prepared his army against...