春秋时期，孔子携弟子拜祭比干墓，亲用剑刻“殷比干莫”四字，为目前所发现的孔子传世唯一真迹，清乾隆为之佐证。

     In the Spring and Autumn Period, the Confucius worshipped the Bigan Tomb with his disciples,and he carved four Chinese characters on a stele that was the tomb of Bigan which was the only original carved handwriting handed down from the ancient China and it was testified by Emperor Qianlong in Qing Dynasty.