This section of the book of Isaiah (vii.-ix. 7) consists of a number of separate prophecies uttered during a period of at least three years: 735-732 B.C. By 735 Ahaz had ascended the throne; Tiglath-pileser had been occupied in the far east for two years. Taking advantage of the weakness of the former and the distance of the latter, Rezin, king of Damascus, and Pekah, king of Samaria, planned an invasion of Judah. It was a venture they would not have dared had Uzziah been alive. While Rezin marched down the east of the Jordan and overturned the Jewish supremacy in Edom, Pekah threw himself into Judah, defeated the armies of Ahaz in one great battle, and besieged Jerusalem, with the object of deposing Ahaz and setting a Syrian, Ben-Tabeel, in his stead. Simultaneously the Philistines attacked Judah from the south-west. The motive of the confederates was in all probability anger with Ahaz for refusing to enter with them into a Pan-Syrian alliance against Assyria. In his distress Ahaz appealed to Tiglath-pileser, and the Assyrian swiftly responded. In 734--it must have been less than a year since Ahaz was attacked--the hosts of the north had overrun Samaria and swept as far south as the cities of the Philistines. Then, withdrawing his troops again, Tiglath-pileser left Hoshea as his vassal on Pekah's throne, and sending the population of Israel east of the Jordan into distant captivity, completed a two years' siege of Damascus (734-732) by its capture. At Damascus Ahaz met the conqueror, and having paid him tribute, took out a further policy of insurance in the altar-pattern, which he brought back with him to Jerusalem. Such were the three years, whose rapid changes unfolded themselves in parallel with these prophecies of Isaiah. The details are not given by the prophet, but we must keep in touch with them while we listen to him. Especially must we remember their central point, _the decision of Ahaz to call in the help of Assyria_, a decision which affected the whole course of politics for the next thirty years. Some of the oracles of this section were plainly delivered by Isaiah before that event, and simply seek to inspire Ahaz with a courage which should feel Assyrian help to be needless; others, again, imply that Ahaz has already called in the Assyrian: they taunt him with hankering after foreign strength, and depict the woes which the Assyrian will bring upon the land; while others (for example, the passage ix. 1-7) mean that the Assyrian has already come, and that the Galilean provinces of Israel have been depopulated, and promise a Deliverer. If we do not keep in mind the decision of Ahaz, we shall not understand these seemingly contradictory utterances, which it thoroughly explains. Let us now begin at the beginning of chapter vii. It opens with a bare statement, by way of title, of the invasion of Judah and the futile result; and then proceeds to tell us how Isaiah acted from the first rumour of the confederacy onward.