《太平广记·卷一百八十七·职官》
李程愿意睡早觉。每次入院日影必须超过八块砖，才能入朝。因此号为八砖学士。
程性懒，每入必逾八砖，故号为八砖学土。
Li Cheng likes to sleep in. Every time he went to the academy, it had to be past the shadow of eight bricks before he could go to court. Therefore, he was known as the Bachelor of Eight Bricks.