Fables are stories that contain allegory or obvious teachings, and are a type of literary genre. Next, I will bring you a fable about a thorn in the heart. I hope it will be helpful to you!

The little bird asked his father: "What is the most advanced creature in the world? Is it us birds?" The old bird replied: "No, it is human beings."

The little bird Asked again: "Are they happier than us?" The old bird said: "Far less happy than us."

"Why are they not as happy as us?" The little bird asked his father in confusion. The old bird replied: "Because there is a thorn growing in the human heart, called greed."

The little bird asked again: "What does greed mean?" "Do you want to see it with your own eyes, child?"

After a while, the little bird cried: "Dad, someone is coming."

The old bird flew away from the little bird and landed next to the visitor, who stretched out his hand. He caught it and shouted happily: "I will kill you and eat your meat!" The old bird said: "I have so little meat, is it enough to fill your belly?" The man said: "Meat. Although it is small, it is delicious."

The old bird said, "I can give you something far more useful than my meat. Those are three wise sayings. If you learn how to do it, you will make a fortune. The man was impatient: "Tell me, what are these three famous quotes?"

The old bird said slowly: "I can tell you, but there is a condition: I will tell you first in your hands." The first famous saying, I will tell you the second famous saying when you let me go, and the third famous saying will not be told to you until I fly to the tree."

The man immediately replied: "I agree to your conditions, please tell me the first famous saying."

The old bird said: "The first famous saying is: Don't regret what you have lost! According to our conditions, please now Let me go." The man let go of the old bird. "The second famous saying is: Don't believe in things that are impossible." After that, it screamed and fluttered its wings and flew up to the treetops. "You are such a big fool. If you just killed me, you would He will take out a priceless gem weighing 120 grams from my belly." After hearing this, the man felt regretful and bit his lip until it bled. He looked at the bird in the tree. , still thinking about the terms they had just negotiated, he said again: "Please tell me the third famous saying quickly!"

The cunning old bird laughed at him and said: "Greedy man, you Your greed has covered your eyes. Since you have forgotten the first two famous sayings, what is the use of telling you the third one? Didn't I tell you not to regret what you have lost and not to believe in the impossible? "Think about it, the total weight of my bones, flesh, and wings is less than 100 grams. How could I have a large gem weighing more than 120 grams in my belly?"

Hearing this, the man was stunned.