伊索寓言 中 两个复仇人 的故事给我们什么启示？

1.狐狸和葡萄
饥饿的狐狸看见葡萄架上挂着一串串晶莹剔透的葡萄，口水直流，想要摘下来吃，但又摘不到。看了一会儿，无可奈何地走了，他边走边自己安慰自己说：“这葡萄没有熟，肯定是酸的。”

The fox and the grapes
Hungry fox Putao Jia see a hung strings of crystal clear on the grapes, saliva DC, won'd like to eat, but not removable. Read a while, take a helpless, he said while walking his own comfort: "This has not cooked grapes, is certainly acid."

2.狼与鹭鸶
狼误吞下了一块骨头，十分难受，四处奔走，寻访医生。他遇见了鹭鸶，谈定酬金请他取出骨头，鹭鸶把自己的头伸进狼的喉咙里，叼出了骨头，便向狼要定好的酬金。狼回答说：“喂，朋友，你能从狼嘴里平安无事地收回头来，难道还不满足，怎么还要讲报酬？”

Wolf and Lusi
Wolf mistakenly swallow a piece of bone, very hard, running around, Looking for a doctor. He met Lusi, asked him to talk about the remuneration of bone removed, Lusi their first Shenjin wolf's throat, Diao to the bone, so the wolf to be a good gratuity. Wolf replied: "Hey, friend, you can wolf mouth without incident and recovered our heads, can not meet, how to speak reward? "

3.掉在井里的狐狸和公山羊
一只狐