1:1-7 The most aged could not remember such calamities as were about to take place. Armies of insects were coming upon the land to eat the fruits of it. It is expressed so as to apply also to the destruction of the country by a foreign enemy, and seems to refer to the devastations of the Chaldeans. God is Lord of hosts, has every creature at his command, and, when he pleases, can humble and mortify a proud, rebellious people, by the weakest and most contemptible creatures. It is just with God to take away the comforts which are abused to luxury and excess; and the more men place their happiness in the gratifications of sense, the more severe temporal afflictions are upon them. The more earthly delights we make needful to satisfy us, the more we expose ourselves to trouble.

2, 3. A spirited introduction calling attention.

old men—the best judges in question concerning the past (De 32:7; Job 32:7).

Hath this been, &c.—that is, Hath any so grievous a calamity as this ever been before? No such plague of locusts had been since the ones in Egypt. Ex 10:14 is not at variance with this verse, which refers to Judea, in which Joel says there had been no such devastation before.