Aesop, who lived in ancient Greece, famously collected many stories with morals.

The Shepherd Boy (‘The Boy Who Cried Wolf’) 放羊的男孩 (狼来了)
The Wolf in Sheep’s Clothing 披着羊皮的狼
The Dog and The Shadow 狗和他的影子
Killing the Goose that Laid the Golden Eggs 杀死那只下金蛋的鹅
The Ant and The Grasshopper 蚂蚁和蚱蜢
The Tortoise and the Hare 龟兔赛跑
The Lion and the Mouse 狮子和老鼠

View all of Aesop’s Fables (in Sections 1-4 on this site)