During the time of Jin Dynasty, there was a man named Le Guang. One day, Le Guang asked one of his friends to have dinner at his home. After dinner, his friend was back.
For a long time, his friend didn't come. Then Le Guang heard that his friend was ill, so he came to visit him. Le Guang asked him what was wrong with him. His friend answered, "Last time, at your home I found a little snake in the glass and I was ill after I drank the alcohol (酒)." Le Guang was very surprised because there wasn't a snake in the glass. Suddenly, he remembered there was a bow (弓) on the wall. There must be the shadow (影子) of the bow which looked like a little snake.
So Le Guang asked his friend to join him for a drink again. When the glass was full of alcohol, he pointed to the shadow of the bow in the glass and asked his friend to have a look. His friend shouted, "That is what I saw last time!" Le Guang laughed and took away the bow.
"Can you see the snake now?＂ he asked. His friend was surprised to find that the snake was gone. After his friend knew the truth, he was well.
For many years, this story has been used to advise people not to be too suspicious (怀疑的) easily.
