felix culpa

Etymology
Borrowed from, via Roman Catholic theology.

Noun

 * 1)  A series of miserable events that will eventually lead to a happier outcome.
 * 2)  The Biblical story of the fall of Adam and Eve and the loss of the Garden of Eden, known theologically as the source of original sin - meaning that this loss of innocence was a fortunate fall because of the good that would come from it, that is, Christian redemption and the eventual hope of Heaven.

Etymology
From +.

Noun

 * 1)  blessed fault, fortunate fall, used in reference to the Fall of Man.
 * 2) * 1265-1274. Thomas Aquinas, Summa Theologica, III, 1, 3, ad 3,
 * "la"

- O felix culpa!


 * , Traditional Latin Mass, and Exsultet of the Easter Vigil masses:
 * "la"

- O felix culpa quae talem et tantum meruit habere redemptorem. ("O happy fault that earned us so good and great a Redeemer.")