They took an oath to the LORD with a loud voice, with shouting, trumpets, and rams’ horns.
We are here told what good effect the foregoing sermon had upon Asa. I. He grew more bold for God than he had been. His victory would inspire him with some new degrees of resolution, but this message from God with much more. Now he took courage.
Commenting on 2 Chronicles 15:8-19
And they sware unto the Lord with a loud voice,.... As not being ashamed of the oath they took, and that there might be witnesses of it, and that it might be clear they did not equivocate in but expressed themselves in plain words: and with shouting, and with trumpets, and with cornets; showing that the oath was not extorted from them unwillingly, but that...
2Ch 15:13-14 To attest the sincerity of their return to the Lord, they determined at the same time to punish defection from Jahve on the part of any one, without respect to age or sex, with death, according to the command in Deu 17:2-6. ליהוה דרשׁ לא, not to worship Jahve, is substantially the same as to serve other gods, Deu 17:3.
Commenting on 2 Chronicles 15:13-14