《宋史·列传·卷二十二》
当时翰林学士和凝掌管贡举，熙古献上《春秋极论》二篇，《演例》三篇，和凝大加赞赏，召他参加进士考试，被录取，于是把他留在门下。
时翰林学士和凝掌贡举，熙古献《春秋极论》二篇、《演论》三篇，凝甚加赏，召与进士试，擢第，遂馆于门下。
At that time, the Hanlin scholar He Ning was in charge of the imperial examination, and Xi Gu presented his <Spring and Autumn Polemics> in two parts and <Examples> in three parts. He Ning praised him greatly, called him to take the Jinshi examination, and admitted him, and then kept him under his command. 