Commentaries:
Barnes' Notes
Jehu ... went out to meet him - Compare II Chronicles 15:2. The monarch was therefore rebuked at the earliest possible moment, and in the most effective way, as he was entering his capital at the head of his returning army. Jehu, 35 years previously, had worked in the northern kingdom, and prophesied against Baasha I Kings 16:1-7, but had now come to Jerusalem, as prophet and historian (compare II Chronicles 20:34).
Shouldest thou help ... - As a matter of mere human policy, the conduct of Jehoshaphat in joining Ahab against the Syrians was not only justifiable but wise and prudent. And the reasonings upon which such a policy was founded would have been unexceptionable but for one circumstance. Ahab was an idolater, and had introduced into his kingdom a false religion of a new and most degraded type. This should have led Jehoshaphat to reject his alliance. Military success could only come from the blessing and protection of Yahweh, which such an alliance, if persisted in, was sure to forfeit.
Other Barnes' Notes entries containing 2 Chronicles 19:2:
1 Kings 22:4
1 Kings 22:29
2 Kings 3:7
2 Kings 17:13
Amos 2:11
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