Some short stories that have good morals are "The Lion and the Mouse," "The Goose with the Golden Eggs," "The Cunning Fox and the Clever Stork" and "The Hare and the Tortoise." Many of Aesop's Fables also contain moral lessons.
"The Lion and the Mouse" is about a mouse who comes across a lion with a thorn in its paw. The mouse helps the lion. Later on, the Lion helps the mouse. The moral of the story is little friends prove great friends. The moral of "The Goose with the Golden Eggs" is think before you act. The moral of "The Hare and the Tortoise" is slow and steady wins the race. "The Lion and the Mouse" and "The Hare and the Tortoise" are both attributed to the Greek writer Aesop.