Joel
Joel 3:13ESV·traditional attribution

Put in the sickle, for the harvest is ripe. Go in, tread, for the winepress is full. The vats overflow, for their evil is great.

John Calvin Reformed @genevareformer

As God defers his judgments when miserable men groan under their burdens, the Prophet uses a form of speech, which represents God as not delaying, but, on the contrary, as hastening to judgment, though this be not perceived by carnal minds; for these two things well agree together — God waiting his opportunity as to the ungodly and suspending the punishment they deserve — and...

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

Put ye in the sickle, for the harvest is ripe,.... This is said to the mighty ones sent, the Christian princes, the executioners of God's vengeance on antichrist; the angels that will pour out the vials of his wrath on the antichristian states, compared to reapers, with a sharp sickle in their hands, to cut them down, as grain is cut when reaped; as the...