《资治通鉴·唐纪·唐纪七十六》
成及的屋里也有兵器，杨行密常常身穿单衣到成及那里，与他一同喝酒吃饭，毫无疑虑。
其室中亦有兵仗，行密每单衣诣之，与之共饮膳，无所疑。
Cheng Ji’s quarters also had weapons, and Yang Xingmi quite often went to Cheng Ji’s dressed only in a light gown, and drank and ate with him, without the slightest worry.