Aesop's Fables are stories that date back to 6th century BC Greece and were told by Aesop, believed to be a Phrygian slave. The fables contain moral lessons and have influenced common expressions in English. Some of the most famous and well-known fables presented in the document include "The Fox and the Grapes" about sour grapes, "The North Wind and the Sun" demonstrating that persuasion works better than force, and "The Boy Who Cried Wolf" showing that lying hurts credibility.