It is the longest speech in the Documents, and is unusual in its extensive use of analogy. Scholars since the Tang dynasty have noted the difficult language of the "Pan Geng" and the Zhou Announcement chapters. Citing the archaic language and worldview, Chinese scholars have argued for a Shang dynasty provenance for the "Pan Geng" chapters, with considerable editing and replacement of the vocabulary by Zhou dynasty authors accounting for the difference in language from Shang inscriptions.
