Vernon Jones (1912)
257. THE FOX AND THE LEOPARD
A Fox and a Leopard were disputing about their looks, and each claimed to be the more handsome of the two. The Leopard said, "Look at my smart coat; you have nothing to match that." But the Fox replied, "Your coat may be smart, but my wits are smarter still."
Aesop's Fables: A New Translation by V.S. Vernon Jones with illustrations by Arthur Rackham (1912). This book is available online at Project Gutenberg.