On the unreliability of historical works written after the fact, scholar-official Zhao Mingcheng (1081–1129) stated "...the inscriptions on stone and bronze are made at the time the events took place and can be trusted without reservation, and thus discrepancies may be discovered."
Perihal ketakterandalan teks sejarah yang ditulis setelah suatu peristiwa berlangsung, pejabat Zhao Mingcheng (1081–1129) menyatakan "...ukiran di batu dan perunggu dibuat pada saat suatu peristiwa berlangsung dan dapat dipercaya tanpa syarat, dan maka perbedaan dapat ditemukan."