《太平广记·卷三百九十一·铭记一》
行至滋水，走了有三十里路，就悟出了其中的奥秘。
行及滋水，凡三十里，则释然悟矣。
When he reached Zishui, he had traveled about thirty li, and he had grasped its secret.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 行及滋水，凡三十里，则释然悟矣。 [/INST] When he reached Zishui, he had traveled about thirty li, and he had grasped its secret.</s>
Explain the meaning of this Classical Chinese passage in English: 行及滋水，凡三十里，则释然悟矣。
user
When he reached Zishui, he had traveled about thirty li, and he had grasped its secret.
assistant