The Shadow Over Hinnysmouth - Chapter One
"The Elements of Harmony are not the only elements. Consider the alchemical quartet - Earth, Air, Fire, Water. The symbolism is obvious, but with it the imperfection. The Earth Pony race, strong and durable. The Pegasi, of course. And the Unicorns in whom the spark of magic is kindled to a blaze. Robustus, Pegasus, Monoceras. What, then, of Hippocampus?"
- Ivory Tower, page 274 of the Neighcronomicon
The two ponies clung to the ledge outside the hotel window. The night wind, sharp with chill and the stink of seaweed, whistled past them and over the rooftop below