Riley: These spells... these really work? I mean, can you really "turn your enemies inside out"? Or... learn to "excrete gold coins"?
Anya: That one's not so much fun.
Willow: They work Riley but they take concentration. Being attuned with the forces of the universe.
Xander: Right you can't just go 'librum incendere' and expect...
(The book page bursts into flame, and Xander slaps it shut to put out the fire)
Giles: Xander, don't speak Latin in front of the books.