3:1-4 God employs Jonah again in his service. His making use of us is an evidence of his being at peace with us. Jonah was not disobedient, as he had been. He neither endeavoured to avoid hearing the command, nor declined to obey it. See here the nature of repentance; it is the change of our mind and way, and a return to our work and duty. Also, the benefit of affliction; it brings those back to their place who had deserted it. See the power of Divine grace, for affliction of itself would rather drive men from God, than draw them to him. God's servants must go where he sends them, come when he calls them, and do what he bids them; we must do whatever the word of the Lord commands. Jonah faithfully and boldly delivered his errand. Whether Jonah said more, to show the anger of God against them, or whether he only repeated these words again and again, is not certain, but this was the purport of his message. Forty days is a long time for a righteous God to delay judgments, yet it is but a little time for an unrighteous people to repent and reform in. And should it not awaken us to get ready for death, to consider that we cannot be so sure that we shall live forty days, as Nineveh then was that it should stand forty days? We should be alarmed if we were sure not to live a month, yet we are careless though we are not sure to live a day.

3. arose and went—like the son who was at first disobedient to the father's command, "Go work in my vineyard," but who afterwards "repented and went" (Mt 21:28, 29). Jonah was thus the fittest instrument for proclaiming judgment, and yet hope of mercy on repentance to Nineveh, being himself a living exemplification of both—judgment in his entombment in the fish, mercy on repentance in his deliverance. Israel professing to obey, but not obeying, and so doomed to exile in the same Nineveh, answers to the son who said, "I go, sir, and went not." In Lu 11:30 it is said that Jonas was not only a sign to the men in Christ's time, but also "unto the Ninevites." On the latter occasion (Mt 16:1-4) when the Pharisees and Sadducees tempted Him, asking a sign from heaven, He answered, "No sign shall be given, but the sign of the prophet Jonas," Mt 12:39. Thus the sign had a twofold aspect, a direct bearing on the Ninevites, an indirect bearing on the Jews in Christ's time. To the Ninevites he was not merely a prophet, but himself a wonder in the earth, as one who had tasted of death, and yet had not seen corruption, but had now returned to witness among them for God. If the Ninevites had indulged in a captious spirit, they never would have inquired and so known Jonah's wonderful history; but being humbled by God's awful message, they learned from Jonah himself that it was the previous concealing in his bosom of the same message of their own doom that caused him to be entombed as an outcast from the living. Thus he was a "sign" to them of wrath on the one hand, and, on the other, of mercy. Guilty Jonah saved from the jaws of death gives a ray of hope to guilty Nineveh. Thus God, who brings good from evil, made Jonah in his fall, punishment, and restoration, a sign (an embodied lesson or living symbol) through which the Ninevites were roused to hear and repent, as they would not have been likely to do, had he gone on the first commission before his living entombment and resurrection. To do evil that good may come, is a policy which can only come from Satan; but from evil already done to extract an instrument against the kingdom of darkness, is a triumphant display of the grace and wisdom of God. To the Pharisees in Christ's time, who, not content with the many signs exhibited by Him, still demanded a sign from heaven, He gave a sign in the opposite quarter, namely, Jonah, who came "out of the belly of hell" (the unseen region). They looked for a Messiah gloriously coming in the clouds of heaven; the Messiah, on the contrary, is to pass through a like, though a deeper, humiliation than Jonah; He is to lie "in the heart of the earth." Jonah and his Antitype alike appeared low and friendless among their hearers; both victims to death for God's wrath against sin, both preaching repentance. Repentance derives all its efficacy from the death of Christ, just as Jonah's message derived its weight with the Ninevites from his entombment. The Jews stumbled at Christ's death, the very fact which ought to have led them to Him, as Jonah's entombment attracted the Ninevites to his message. As Jonah's restoration gave hope of God's placability to Nineveh, so Christ's resurrection assures us God is fully reconciled to man by Christ's death. But Jonah's entombment only had the effect of a moral suasive; Christ's death is an efficacious instrument of reconciliation between God and man [Fairbairn].

Nineveh was an exceeding great city—literally, "great to God," that is, before God. All greatness was in the Hebrew mind associated with God; hence arose the idiom (compare "great mountains," Margin, "mountains of God," Ps 36:6; "goodly cedars," Margin, "cedars of God," Ps 80:10; "a mighty hunter before the Lord," Ge 10:9).

three days' journey—that is, about sixty miles, allowing about twenty miles for a day's journey. Jonah's statement is confirmed by heathen writers, who describe Nineveh as four hundred eighty stadia in circumference [Diodorus Siculus, 2.3]. Herodotus defines a day's journey to be one hundred fifty stadia; so three days' journey will not be much below Diodorus' estimate. The parallelogram in Central Assyria covered with remains of buildings has Khorsabad northeast; Koyunjik and Nebbi Yunus near the Tigris, northwest; Nimroud, between the Tigris and the Zab, southwest; and Karamless, at a distance inward from the Zab, southeast. From Koyunjik to Nimroud is about eighteen miles; from Khorsabad to Karamless, the same; from Koyunjik to Khorsabad, thirteen or fourteen miles; from Nimroud to Karamless, fourteen miles. The length thus was greater than the breadth; compare Jon 3:4, "a day's journey," which is confirmed by heathen writers and by modern measurements. The walls were a hundred feet high, and broad enough to allow three chariots abreast, and had moreover fifteen hundred lofty towers. The space between, including large parks and arable ground, as well as houses, was Nineveh in its full extent. The oldest palaces are at Nimroud, which was probably the original site. Layard latterly has thought that the name Nineveh belonged originally to Koyunjik, rather than to Nimroud. Jonah (Jon 4:11) mentions the children as numbering one hundred twenty thousand, which would give about a million to the whole population. Existing ruins show that Nineveh acquired its greatest extent under the kings of the second dynasty, that is, the kings mentioned in Scripture; it was then that Jonah visited it, and the reports of its magnificence were carried to the west [Layard].