《金史·列传·卷四十八》
杨云翼天资聪明，刚开始学说话便在地上划字，每天能背诵几千字的文章。
云翼天资颖悟，初学语辄画地作字，日诵数千言。
Yang Yunyi was born with an exceptionally clever mind. Even when he had just learned to speak, he began to write on the ground. Every day, he could memorise an article comprising several thousand characters.