His heart was courageous in the ways of the LORD. And furthermore, he took the high places and the Asherim out of Judah.
Here we find concerning Jehoshaphat, I. What a wise man he was. As soon as he came to the crown he strengthened himself against Israel, Ch2 17:1. Ahab, an active warlike prince, had now been three years upon the throne of Israel, the vigour of his beginning falling in with the decay of Asa's conclusion.
Commenting on 2 Chronicles 17:1-9
And his heart was lifted up in the ways of the Lord,.... It was engaged in them, was bent and set upon them; he walked in them with great pleasure and cheerfulness, being inspired with zeal and courage; he was fearless and intrepid, and regarded not any opposition he might have, or expect to have, in the work of reformation in which he was concerned...
his heart was lifted up in the ways of the Lord--Full of faith and piety, he possessed zeal and courage to undertake the reformation of manners, to suppress all the works and objects of idolatry (see on Ch2 20:33), and he held out public encouragement to the pure worship of God.