II. The great distress that Ahaz and his court were in when they received advice of this design: It was told the house of David that Syria and Ephraim had signed a league against Judah, v. 2. This degenerate royal family is called the house of David, to put us in mind of that article of God's covenant with David (Ps. lxxxix. 30-33), If his children forsake my law, I will chasten their transgression with the rod; but my loving-kindness will I not utterly take away, which is remarkably fulfilled in this chapter. News being brought that the two armies of Syria and Israel were joined, and had taken the field, the court, the city, and the country, were thrown into consternation; The heart of Ahaz was moved with fear, and then no wonder that the heart of his people was so, as the trees of the wood are moved with the wind. They were tossed and shaken, and put into a great disorder and confusion, were wavering and uncertain in their counsels, hurried hither and thither, and could not fix in any steady resolution. They yielded to the storm, and gave up all for gone, concluding it in vain to make any resistance. Now that which caused this fright was the sense of guilt and the weakness of their faith. They had made God their enemy, and knew not how to make him their friend, and therefore their fears tyrannised over them; while those whose consciences are kept void of offence, and whose hearts are fixed, trusting in God, need not be afraid of evil tidings; though the earth be removed, yet will not they fear; but the wicked flee at the shaking of a leaf, Lev. xxvi. 36.