《资治通鉴·陈纪·陈纪九》
隋朝礼部尚书牛弘请求建立明堂，隋文帝因为政权初立，百废待兴，没有允许。
礼部尚书牛弘请立明堂，帝以时事草创，不许。
Niu Hong, the Minister of Rites of the Sui Dynasty, requested the establishment of the Hall of Light, but Emperor Wen of Sui did not approve it because the regime was newly established and there were many things to be done.