《太平广记·卷一百九十五·豪侠三》
一天夜晚，军营的大门已经关闭，薛嵩拄着拐杖到庭院，只有红线跟在身后。
时夜漏将传，辕门已闭，杖策庭际，唯红线从焉。
One evening, after the gates of the military camp had been closed, Xue Song, leaning on a walking stick, went out to the courtyard, Hong Xian was the only one who followed him.