Anonymous pointed at his hip. "As you say, Cutie Marks are unique to Equestrians. I don't have one; none of my kind do. But everything you've said about happiness absolutely applies to my people. Discovering one's purpose in life, and pursuing it, is surely the route to spiritual fulfilment; this fact has been opined upon many times, by many of the finest philosophers and sages of my world. We do so without the benefit of a stamp upon us, but the challenge is the same."