《元史·本纪·卷二十七》
宣诏群臣说 ：一年只有四次祭享，派人代行，不能表现祭神如神在的诚意，这使我心不安。
诏群臣曰： 一岁惟四祀，使人代之，不能致如在之诚，实所未安。
He said: "There are only four sacrifices a year, and sending people to act as substitutes does not reflect the sincerity of offering sacrifices as if the gods were present. This makes me uneasy."