A multitude of the people - had not cleansed themselves - As there were men from Ephraim, Manasseh, Issachar, and Zebulun, they were excusable, because they came from countries that had been wholly devoted to idolatry.

The good Lord pardon every one - "The Lord, who is good, have mercy on this people who err." - T.

healed

Exodus 15:26 And said, If you will diligently listen to the voice of the LORD your God, and will do that which is right in his sight...

Psalm 103:3 Who forgives all your iniquities; who heals all your diseases;

James 5:15,16 And the prayer of faith shall save the sick, and the Lord shall raise him up; and if he have committed sins...

Hezekiah
In sharp contrast with the reckless rule of Ahaz was the reformation wrought during the prosperous reign of his son. Hezekiah came to the throne determined to do all in his power to save Judah from the fate that was overtaking the northern kingdom. The messages of the prophets offered no encouragement to halfway measures. Only by most decided reformation could be threatened judgments be averted. In the crisis, Hezekiah proved to be a man of opportunity. No sooner had he ascended the throne than he …
Ellen Gould White—The Story of Prophets and Kings