Jia Yi
The famous Han poet and statesman Jia Yi concluded his essay "The Faults of Qin" (過秦論, "Guò Qín Lùn") with what was to become the standard Confucian judgment of the reasons for Qin's collapse. Jia Yi's essay, admired as a masterpiece of rhetoric and reasoning, was copied into two great Han histories and has had a far-reaching influence on Chinese political thought as a classic illustration of Confucian theory. He attributed Qin's disintegration to its internal failures. Jia Yi wrote that: