The power of a generation of monarchs hurts the silkworm family, and the history of the ages can be traced back to Longmen. Who is the name of the ancient person sung in this couplet?

The first netizen who answered is correct. This couplet was written by Pu Songlin, an outstanding novelist in the Qing Dynasty, to praise the great historian, author of "Historical Records" and Sima Qian of the Han Dynasty.

And netizens perfectly explained the first sentence of the couplet: The power of a generation of monarchs is painful. Among them, Jamsil was used in the Han Dynasty to house newly castrated prisoners. Sima Qian defended Li Ling's defeat and surrender, which aroused the anger of Emperor Wu of the Han Dynasty. In the end, he was castrated and became a castrated person. Therefore, Pu Songlin uses monarchy and Jamsil to refer to the tragic history that Sima Qian experienced during the period of Emperor Wu of the Han Dynasty.

But netizens forgot to explain the next sentence: Thousands of years of history trace back to Longmen.

It can be said that this sentence is the highest praise for Sima Qian. Sima Qian was born in Longmen (belonging to Xiayang of the Western Han Dynasty, which is now Hancheng City in Shaanxi Province, and is said to belong to Hejin City in today's Shanxi Province, which is controversial). Therefore, Longmen is used to refer to Sima Qian. Traceability means traceability and traceability. So the meaning of the whole sentence is that since Sima Qian wrote the immortal "Historical Records", historians of the following generations have followed Sima Qian's footsteps and compiled historical annals according to the norms left by Sima Qian. Therefore, historians' long-lasting achievements, tracing back to their roots, all started from Sima Qian.