There was a frog. He lived in a well(井) and he never went out of it. He thought the sky was as big as the mouth of the well.
One day a crow(乌鸦) came to the well. The frog asked him, "Where are you from?" "I fly from the sky," the crow said. The frog said surprisingly(吃惊地), "The sky is only as big as the mouth of the well. How do you fly from the sky?" The crow said, "The sky is very big. You always stay in the well, so you don't know the world is big."
