《新五代史·列传·晋臣传第十七》
桑维翰的相貌怪异，又素来自恃威严，晋的老将大臣们，见到他没有不屈服的，张彦泽自恃勇猛刚强，每次去迎候桑维翰，即使是寒冬腊月也没有不汗流满面的。
维翰状貌既异，素以威严自持，晋之老将大臣，见者无不屈服，彦泽以骁捍自矜，每往候之，虽冬月未尝不流汗。
With his peculiar appearance and his being used to being dignified, all the old generals and officials of the Jin dynasty would submit as soon as they saw him, even the brave and tough Zhang Yanze, everytime he went to meet Sang Weihan, would not stop sweating from his face even in the cold winter months.