《北齐书·列传·卷四十四》
天保初，郡中举荐为孝廉，授四门博士，升国子助教，到皇宫中教授太子经学。
天保初，郡举孝廉，授四门博士，迁国子助教，以经入授皇太子。
At the beginning of Tian Bao, he was recommended by the prefecture to be a filial and honest gentleman and was awarded a Four-doors Doctor, promoted to Assistant Teacher of Imperial College and taught classics to the Crown Prince in the imperial palace.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 天保初，郡举孝廉，授四门博士，迁国子助教，以经入授皇太子。 [/INST] At the beginning of Tian Bao, he was recommended by the prefecture to be a filial and honest gentleman and was awarded a Four-doors Doctor, promoted to Assistant Teacher of Imperial College and taught classics to the Crown Prince in the imperial palace.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 天保初，郡举孝廉，授四门博士，迁国子助教，以经入授皇太子。
user
At the beginning of Tian Bao, he was recommended by the prefecture to be a filial and honest gentleman and was awarded a Four-doors Doctor, promoted to Assistant Teacher of Imperial College and taught classics to the Crown Prince in the imperial palace.
assistant