The Kites of olden times, as well as the Swans, had the privilege of song. But having heard the neigh of the horse, they were so enchanted with the sound, that they tried to imitate it; and, in trying to neigh, they forgot how to sing.

Credits
Aesop was an ancient Greek storyteller, believed to have lived around 620–564 BCE, whose fables have been retold across centuries and cultures. This particular fable is one of his shortest, distilling its moral — that coveting another's gifts can cost you your own — into fewer than fifty words.
