《太平广记·卷九十八·异僧十二》
李公立即命人往下挖了几尺深，果然挖出一只石盒子，打开盒子什么也没看见。
即命穷其下数尺，果得石函，启之亦无睹焉。
Li Gong immediately ordered for someone to dig down several feet, and a stone box was actually dug up. He opened the box but did not see anything.