During the period of spring and autumn, Lord Mengchang of Qi had three thousand guests at home. One day, his friend introduced Feng Xuan to be his guests. When Lord Menghcang had difficulties, Feng Yuan not only gave him suggestions, but also told Lord Mengchang that, "A rabbit needs at least three places to hide. You only have one place, Qi, to stay. If the king is not happy with you, you do not need have a place to hide."
Then, Feng Yuan tried to find another place for Lord Menghcang. He recommended Lord Mengchang to King of Liang, and praised Lord Menghcang for his abilities. After hearing that, King of Liang sent official with gold to ask Lord Mengchang to be an official in his country. King of Qi felt nervous and was afraid that Lord Mengchang would come to work in Liang. He used grand etiquettes to treat Lord Mengchang. Feng Yuan then asked Lord Mengchang to build an ancestral in Xuedi. Then Feng Yuan told Lord Mengchang that, "Now you have three places to live. All the three holes for you are built now. From now on, you can rest easy and sleep well."