《韩非子·外储说右上》
另一种说法：薛公田婴担任齐相，齐威王的夫人死了，宫中有十个姬妄都被王宠爱着，薛公想了解齐王打算立哪个姬妄为夫人，然后请求立这个人为夫人。
一曰：薛公相齐，齐威王夫人死，中有十孺子，皆贵于王，薛公欲知王所欲立，而请置一人以为夫人。
Another story: Xue Gong Tianying held the post of Prime Minister in Qi. After the death of Qi Wei Wang's wife, ten of his concubines in the palace were being favored by the king. Xue Gong wanted to figure out which concubine Qi Wang was planning to make his wife, and then he requested to make that person his wife.