פירוש על יואל 2:20

And the northerner Heb. הַצְּפוֹנִי. This can be interpreted as referring to the host of locusts, upon which the expression, “and I will drive him to a land barren and desolate,” fits aptly. Another explanation: The people that come from the north, viz., the kings of Assyria. And our Sages (Sukkah 52a) state: This is the temptation, which is hidden (צָפוּן) in a person’s heart.

the western sea the eastern sea. And our Sages, who interpreted it [i.e., הַצְּפוֹנִי] as a reference to temptation, interpreted these two seas as the First Temple and the Second Temple. I.e, they explain הַקַּדְמוֹנִי as first and הָאַחֲרוֹן as last. And so they explained it: Because he directed his face toward the First Temple and the Second Temple and destroyed them. [God says: I will drive him out to a land barren and desolate, where he will find no one to incite. That will be because he set his sights for the First Temple and for the Second Temple and, because he incited the people to sin, they were destroyed. The two Temples, where everyone would gather during the three Pilgrimage Festivals, are symbolized by the sea, where water of the streams gather.] And, according to the Targum, who explains it as a reference to the king of Assyria, we must explain “his face to the eastern sea, and his end to the western sea” to mean that part of his army I will send to the east and part of it to the west.

its ill savor Heb. צַחֲנָתוֹ. The word בָאְשוֹ, its stench, indicates concerning that it is an expression of filth.

for it did great things—I.e, it did a great evil, for it stretched forth its hands upon the great.