Frog sat in the well. A little bird came flying and landed on the edge.
The frog asked the little bird: "Where did you come from?"
The little bird answered: "I came from the sky flying more than one hundred miles, I am very thirsty, and wanted to find some water to drink."
Frog said: "Friend, stop lying! The sky is no bigger than the opening of the well, do you need to fly that far?"
Little bird said: "You're wrong. Sky has no limits, it's huge!"
Frog smiled and said: "Friend, I sit here every day, all I need to do is look up and I could see the sky. I can't be wrong."
Little bird also smiled and said: "Friend,