《晋书·列传·第八章》
起初，司马攸特别被文帝宠爱，每次见到司马攸，就拍着床叫他的小名说 这是桃符的座位 ，几乎立为太子的情况有多次。
初，攸特为文帝所宠爱，每见攸，辄抚床呼其小字曰 此桃符座也 ，几为太子者数矣。
At first, Sima You was especially favored by Emperor Wen, and every time he saw Sima You, he would pat the bed and call his nickname, saying, "This is the seat of Peach Charm," and he was almost made crown prince on several occasions.