《太平广记·卷四百一十三·草木八》
从洞穴上边的石刻题字看，一定在很早以前就已经有能做得到的。
按此户上刻题如此，前世必已有之者也。
Judging from the inscription on the stone above the cave, it must have been possible at a very early age.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 按此户上刻题如此，前世必已有之者也。 [/INST] Judging from the inscription on the stone above the cave, it must have been possible at a very early age.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 按此户上刻题如此，前世必已有之者也。
user
Judging from the inscription on the stone above the cave, it must have been possible at a very early age.
assistant