Verse 1-15 — As long as Uzziah sought the Lord, and minded religion, God made him to prosper. Those only prosper whom God makes to prosper; for prosperity is his gift. Many have owned, that as long as they sought the Lord, and kept close to their duty, they prospered; but when they forsook God, every thing went cross. God never continues either to bless the indolent or to withhold his blessing from the diligent. He will never suffer any to seek his face in vain. Uzziah's name was famed throughout all the neighbouring countries. A name with God and good people makes truly honourable. He did not delight in war, nor addict himself to sports, but delighted in husbandry.
Verse 16-23 — The transgression of the kings before Uzziah was, forsaking the temple of the Lord, and burning incense upon idolatrous altars. But his transgression was, going into the holy place, and attempting to burn incense upon the altar of God. See how hard it is to avoid one extreme, and not run into another. Pride of heart was at the bottom of his sin; a lust that ruins many. Instead of lifting up the name God in gratitude to him who had done so much for him, his heart was lifted up to his hurt. Men's pretending to forbidden knowledge, and seeking things too high for them, are owing to pride of heart. The incense of our prayers must be, by faith, put into the hands of our Lord Jesus, the great High Priest of our profession, else we cannot expect it to be accepted by God, Revelation