《贞观政要·卷八·论赦令》
《尚书》说 谨慎地下达命令，命令一出就要坚决执行，不可反悔 。
《书》曰： 慎乃出令，令出惟行，弗为反。 
<The Book of History> says, "Issue orders with great care—once an order is issued, it must be firmly and resolutely carried out and it cannot be reversed. 