《太平广记·卷九十八·异僧十二》
他想起法本临别时说过，只要敲上石柱就能见到他本人，于是就用手中的小锡杖敲了石柱几下。
当法本临别云： 但扣其柱，即见其人。 其僧乃以小杖扣柱数声。
He thought of what Fa Ben said when they parted, that all he needs to do is knock on the stone pillar to meet him, so he used the small tin staff in his hand to knock on the stone pillar several times.