《史记·八书·历书》
夏、殷、商的正月一次循环，周而复始。
盖三王之正若循环，穷则反本。
The first months of the Xia, Yin and Shang Dynasties completed a cycle and repeated.
<s>[INST] Rewrite the following English passage in the style of Classical Chinese: The first months of the Xia, Yin and Shang Dynasties completed a cycle and repeated. [/INST] 盖三王之正若循环，穷则反本。</s>
Rewrite the following English passage in the style of Classical Chinese: The first months of the Xia, Yin and Shang Dynasties completed a cycle and repeated.
user
盖三王之正若循环，穷则反本。
assistant