有人飼養了一隻山羊和一頭驢子。由於驢子總能得到充足的食物，山羊十分嫉妒驢子，就想方設法挑撥驢子和主人的關係。山羊對驢子說： “你是多麼辛苦啊！既要推磨又要拉貨！你根本沒有休息的時候。 ”於是他慫恿驢子裝病，這樣就可以偷懶休息了。驢子接受了山羊的建議，故意摔在坑裏，受了重傷。主人趕快請來獸醫為驢子療傷。獸醫說： “要想治好驢子的傷，有一味藥必須用到，那就是山羊肺。用山羊肺製成的膏藥是最有效的。 ”結果，主人為了治好驢子的傷，就把山羊宰了。
要警惕嫉妒你的人。
A Ma and a，envying the Ass on at of his greater abundance of food，said，“How shamefully you are treated: at oime grinding in the mill，and at an heavy burdeher advised him to preteid fall into a ditd so obtaihe Ass listeo his words，and falling into a ditch，was very much bruised. His master，sending for a leech，asked his advice. He bade him pour upohe lungs of a Goat. They at ohe Goat，ahe Ass.
Beware of envy.