And the priests could not enter into the house of the LORD, because the glory of the LORD had filled the LORD's house.

Jamieson-Fausset-Brown Bible Commentary

2. the priests could not enter-Both from awe of the miraculous fire that was burning on the altar and from the dense cloud that enveloped the sanctuary, they were unable for some time to perform their usual functions (see on [421]1Ki 8:10). But afterwards, their courage and confidence being revived, they approached the altar and busied themselves in the offering of an immense number of sacrifices.

Matthew Henry's Concise Commentary

7:1-22 God's answer to Solomon's prayer. - God gave a gracious answer to Solomon's prayer. The mercies of God to sinners are made known in a manner well suited to impress all who receive them, with his majesty and holiness. The people worshipped and praised God. When he manifests himself as a consuming Fire to sinners, his people can rejoice in him as their Light. Nay, they had reason to say, that God was good in this. It is of the Lord's mercies we are not consumed, but the sacrifice in our stead, for which we should be very thankful. And whoever beholds with true faith, the Saviour agonizing and dying for man's sin, will, by that view, find his godly sorrow enlarged, his hatred of sin increased, his soul made more watchful, and his life more holy. Solomon prosperously effected all he designed, for adorning both God's house and his own. Those who begin with the service of God, are likely to go on successfully in their own affairs. It was Solomon's praise, that what he undertook, he went through with; it was by the grace of God that he prospered in it. Let us then stand in awe, and sin not. Let us fear the Lord's displeasure, hope in his mercy, and walk in his commandments.