But the day of the Lord will come like a thief, and then the heavens will pass away with a roar, and the heavenly bodies will be burned up and dissolved, and the earth and the works that are done on it will be exposed.
10. But the day of the Lord will come. This has been added, that the faithful might be always watching, and not promise to-morrow to themselves. For we all labor under two very different evils — too much haste, and slothfulness. We are seized with impatience for the day of Christ already expected; at the same time we securely regard it as afar off.
Men set one time for God's return and God sets another, and He keeps to His appointed day exactly. What looks to us like slackness is His long-suffering toward His elect, giving them space to advance in grace, knowledge, and holiness until they are fitted for heaven.
AI summary
Commenting on 2 Peter 3:9-10
But the day of the Lord will come as a thief in the night,.... That is, the Lord will come in that day, which he has fixed, according to his promise, than which nothing is more certain; and he will come as a thief in the night: he will come "in the night", which may be literally understood; for as his first coming was in...