《北史·列传·卷六》
当时，灵太后非常喜欢大兴土木，在京城建起永宁、太上公等佛家寺庙，人力金钱耗费不少，在外地各州也都修建五层佛塔。
时太后锐于兴缮，在京师则起永宁、太上公等佛寺，工费不少，外州各造五级佛图。
At that time, Empress Ling was very fond of large-scale construction projects, and built Buddhist temples such as Yongning and Taishanggong in the capital, which cost a lot of manpower and money. Five-story Buddhist pagodas were also built in various prefectures outside the capital.