《资治通鉴·齐纪·齐纪十》
后堂之中储放了几百块木料，有人向东昏侯启奏要拿去做城防之用，他却不给，想留下来盖殿时使用。
后堂储数百具榜，启为城防；东昏欲留作殿，竟不与。
There were hundreds of pieces of timber stored in the inner court, and someone asked Emperor Dong Hun’s permission to use them to fortify the city. However, he declined, wanting to use them to build a palace.