The Man of Qi Worries About the Sky|杞人忧天 (Qǐ rén yōu tiān)
Once upon a time, a man from the State of Qi was always worried about what would happen if the sky and the ground collapsed. He was so worried that he couldn’t eat and sleep. One day, a friend came to help him: “The sky has been an air mass since the beginning. We mankind…