《太平广记·卷九十八·异僧十二》
走到竹林丛中，果然看到有石柱，但除了石柱之外，再也看不到可供找寻的标志。
既至竹林丛中，果有石柱，罔然不知其涯涘。
As he walked into the bamboo forest, he did see stone pillars, but except for the stone pillars, he couldn't see any sign of what he was looking for.