But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.
All Commentaries on 2 Peter 3:8 Go To 2 Peter 3
Justin Martyr
AD 165
For as Adam was told that in the day he ate of the tree he would die, we know that he did not complete a thousand years. We have perceived, moreover, that the expression, `The day of the Lord is as a thousand years, '