2 Peter 3:8

Epistle of Barnabas

will be as a thousand years."[218]

Dialogue of Justin

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, '[324]

Irenaeus Against Heresies Book V

And there are some, again, who relegate the death of Adam to the thousandth year; for since "a day of the Lord is as a thousand years,"[204]

Irenaeus Against Heresies Book V

This is an account of the things formerly created, as also it is a prophecy of what is to come. For the day of the Lord is as a thousand years;[248]

Lactantius Divine Institutes Book VII

For the great day of God is limited by a circle of a thousand years, as the prophet shows, who says[112]