《宋史·列传·卷二百一十八》
闭门谢客十多年，求学的人连续不断，按照他们的才能品德，为他们讲说圣贤教学的门径以及圣贤以往言行的美德。
杜门十余年，学者踵至，随其材品，为说圣贤教学之门及前言往行之懿。
He closed his door and thanked guests for more than ten years. Students came one after another. According to their talents and virtues, he taught them the teachings of sages and the virtues of sages' past words and deeds.