America has become a people more eager to unite against an enemy than to unite around God. We know how to identify threats, expose corruption, denounce error, defend our tribe, and sharpen our outrage. We know how to speak with fire about what is wrong with the world. But too often we have forgotten how to burn with the love of God. Too often we have mistaken suspicion for discernment, hostility for holiness, and public anger for spiritual courage.

The story of Hezekiah, I have argued, may be the most important story of all the kings of Judah for us to learn from...