The Enchiridion 57
57 The Condition of the Church in Heaven PL 40, 259
But of that part of the Church which is in heaven what can we say, except that no wicked one is found in it, and that no one has fallen from it, or shall ever fall from it, since the time that “God spared not the angels that sinned,” as the Apostle Peter writes, “but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgment?”
Stabilitas Ecclesiae coelestis. Sed de illa quae in coelo est, affirmare quid possumus, nisi quod nullus in ea malus est, nec quisquam deinceps inde cecidit aut casurus est, ex quo Deus angelis peccantibus non pepercit, sicut scribit apostolus Petrus; sed carceribus caliginis inferi retrudens tradidit in judicio puniendos reservari ?