And he did what was right in the eyes of the LORD, according to all that David his father had done.
We have here a general account of the reign of Hezekiah. It appears, by comparing his age with his father's, that he was born when his father was about eleven or twelve years old, divine Providence so ordering that he might be of full age, and fit for business, when the measure of his father's iniquity should be full. Here is, I.
Commenting on 2 Kings 18:1-8
And he did that which was right in the sight of the Lord, according to all that David his father did. Some of the kings of Judah, that were better than some others, are said to do that which was right, but not like David; or they did as he did, but not according to all that he did, as is here said of Hezekiah.
And he did [that which was] right in the sight of the LORD, according to all that David his father did. (a) Although they of Judah were given to idolatry and impiety, as they of Israel were, yet God for the sake of his promise was merciful to the throne of David, and yet by his judgment toward the other, provoked to repentance.