When it was reported to the house of David that Aram was in league with Ephraim, the hearts of Ahaz and his people trembled like trees in the forest shaken by the wind.
2. And it was told the house of David. He does not mean that, at the very time when the two kings were approaching to the city, the king received intelligence about the league; for it would not have been safe for Ahaz to go out, when the invading army was spread over the country; but before they had collected their forces, it is said that King Ahaz trembled.
Sin brings foreign invasion upon a land and betrays the strongest fortifications to the enemy. Ahaz began his reign in idolatry, so God delivered him into the hands of Syria and Israel; wicked nations become the scourge of other wicked nations.
AI summary
Commenting on Isaiah 7:1-9
And it was told the house of David,.... Ahaz, and his family, the princes of the blood, his court and counsellors; who had intelligence of the designs and preparations of the Syrians and Israelites against them: saying, Syria is confederate with Ephraim; the ten tribes; or the kingdom and king of Israel.