The other professors hadn’t been a good fit. Princess Celestia and Dean Bright Star couldn’t have known, but all of them were utterly convinced that ponykind was the most advanced of all the creatures, and therefore all other creatures were beneath them. And maybe that was true—it was certainly the case that there were many other sapient species on Equestria that weren’t as clever or as successful as ponies. Other species that didn’t know or understand Harmony, or couldn’t use magic, or didn’t have cutie marks.