宋仁宗至和年间,四川成都府书生赵旭写得一手好文章。有一次京城科举选考,他赶忙进京赴考。考试完毕,他自认为考得非常满意,得中必有希望。不多时,宋仁宗早朝上殿,询问考试情况。试官就将前三名文卷呈到御前。宋仁宗看了第一卷对试官说:“此卷答得极好,可惜卷中有一个错字。”试官就问:“何字写错?”仁宗笑指说:“乃是一个‘唯’字,原来的‘口’旁写错成‘厶’ During the reign of Song Renzong, Zhao Xu, a scholar in Chengdu, Sichuan, wrote a good article. Once the capital elective exam, he quickly went to Beijing to test. Examination is completed, he considered himself very satisfied with the test, there must be hope. Not much time, Song Renzong morning hall, asking the examination. The examiner presented the first three papers to Imperial. Song Renzong read the first volume of the examiner said: ”This volume is extremely good, unfortunately, there is a typo in the volume.“ ”The examiner asks: “ What’s wrong? ” "It is a ’only’ word, the original ’mouth’ next to wrongly written into ’厶’