What is being chanted in Mystical Night Class from Vampire Knight?

The phrase chanted in the second ending to the anime Vampire Knight, Mystical Night Class, is "Laetitia, laetitia, gaudia et delictias: quae non fecit Deus? Et quae non operatus est?"

This is a Latin phrase meaning "Pleasures, plays and delights, which God has not made? And which has not been done?"