The Redeemer's Return is Necessitated by the Lamentation of all Creation.
The effects of the Fall have been far-reaching--"By one man sin entered the world"(Rom. 5:12). Not only was the entire human family involved but the whole "Kosmos" was affected. When Adam and Eve sinned, God not only pronounced sentence upon them and the Serpent but He cursed the ground as well--"And unto Adam He said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it, Cursed is the ground for thy sake; …
Arthur W. Pink—The Redeemer's Return

The Prophet Joel.
PRELIMINARY REMARKS. The position which has been assigned to Joel in the collection of the Minor Prophets, furnishes an external argument for the determination of the time at which Joel wrote. There cannot be any doubt that the Collectors were guided by a consideration of the chronology. The circumstance, that they placed the prophecies of Joel just between the two prophets who, according to the inscriptions and contents of their prophecies, belonged to the time of Jeroboam and Uzziah, is …
Ernst Wilhelm Hengstenberg—Christology of the Old Testament

Of a Private Fast.
That we may rightly perform a private fast, four things are to be observed:--First, The author; Secondly, The time and occasion; Thirdly, The manner; Fourthly, The ends of private fasting. 1. Of the Author. The first that ordained fasting was God himself in paradise; and it was the first law that God made, in commanding Adam to abstain from eating the forbidden fruit. God would not pronounce nor write his law without fasting (Lev. xxiii), and in his law commands all his people to fast. So does our …
Lewis Bayly—The Practice of Piety

Of the Public Fast.
A public fast is when, by the authority of the magistrate (Jonah iii. 7; 2 Chron. xx. 3; Ezra viii. 21), either the whole church within his dominion, or some special congregation, whom it concerneth, assemble themselves together, to perform the fore-mentioned duties of humiliation; either for the removing of some public calamity threatened or already inflicted upon them, as the sword, invasion, famine, pestilence, or other fearful sickness (1 Sam. vii. 5, 6; Joel ii. 15; 2 Chron. xx.; Jonah iii. …
Lewis Bayly—The Practice of Piety

Joel
The book of Joel admirably illustrates the intimate connection which subsisted for the prophetic mind between the sorrows and disasters of the present and the coming day of Jehovah: the one is the immediate harbinger of the other. In an unusually devastating plague of locusts, which, like an army of the Lord,[1] has stripped the land bare and brought misery alike upon city and country, man and beast--"for the beasts of the field look up sighing unto Thee," i. 20--the prophet sees the forerunner of …
John Edgar McFadyen—Introduction to the Old Testament