The inaugurator of Zhengshi Dark Learning and the leader of pure conversation in the Wei-Jin period, known alongside Wang Bi as the core figures of the "Zhengshi Voice." He laid the foundation of Dark Learning with his "Doctrine of Valuing Non-Being," synthesizing the Three Mysteries—the Laozi, the Book of Changes, and the Analerta—and authored the Collected Commentary on the Analerta, one of the most important classical commentaries of the Han-Wei transition. His ontological proposition that "all things in Heaven and Earth are born of Being, and the origin of Being is Non-Being" became the central thesis of Dark Learning. In political philosophy, he proposed that "moral institutions (mingjiao) emerge from Nature," attempting to harmonize Confucian ritual institutions with the Daoist Way of Nature, providing a theoretical resolution for the spiritual predicament of Wei-Jin scholars caught between moral institutions and nature. His peerless elegance and the Wei-Jin custom of consuming the Five Minerals Powder inaugurated the aestheticized philosophical tradition of Zhengshi pure conversation.
Courtesy name Pingshu, a native of Wan in Nanyang (modern Nanyang, Henan), approximately 195–249 CE. Of distinguished lineage—his grandfather He Jin was Grand General at the end of the Han—his father died early and his mother was taken as a concubine by Cao Cao, so He Yan was raised in the Wei palace alongside Cao Pi and Cao Zhi. Endowed with brilliant intelligence and extraordinary beauty, he was immersed in courtly culture from childhood and was widely read, particularly fond of Laozi and Zhuangzi. During the reign of Emperor Ming of Wei, he competed with Xiahou Xuan and Zhuge Dan in pure conversation (qing tan), initiating the Zhengshi intellectual movement. After Cao Shuang took power, He Yan was promoted to Minister of Personnel, overseeing appointments, a position of great influence. At that time, Sima Yi was biding his time, secretly contending with the Cao Shuang faction. In the tenth year of Zhengshi (249), Sima Yi launched the Gaoping Tombs coup, executing Cao Shuang and his associates on charges of "conspiring to rebel." Though He Yan abased himself and begged for mercy, he was executed along with his entire extended family. His life—luxurious and unrestrained, embodying aristocrat, scholar, and metaphysician—reflects the irreconcilable tension between ethical codes and nature, politics and philosophy, at the Wei-Jin transition.
Ontologically, He Yan takes "Non-being" (wu) as the ultimate ground of the cosmos. "Non-being" is not nothingness but a formless, imageless, nameless, and reputation-less metaphysical entity that is the source and ground of all being: "All things in heaven and earth are born from being, and the beginning of being is grounded in non-being." Methodologically, he introduces Daoist concepts such as "Dao" and "Non-being" to interpret Confucian classics, using Xuanxue (Learning of the Mystery) to supersede classical learning and break through the scholastic pedantry of Han dynasty textual exegesis, clearing the way for the creative liberation of Wei-Jin thought. In political philosophy, he proposes that "ethical codes emerge from nature"—social norms and ritual-law institutions should not be artificial impositions but should conform to the natural principles of the heavenly Dao, thereby providing a metaphysical ground for the legitimacy of ethical codes while opening theoretical space for individuals to pursue natural self-expression within the framework of those codes. In aesthetics and life philosophy, He Yan himself was "beautiful in appearance and exceedingly fair-skinned," took mineral elixirs (wu shi san), and practiced pure conversation, fusing philosophical speculation with an aestheticized way of life, inaugurating the spiritual aesthetics of the Wei-Jin scholar-official "excellence" (feng liu).
"All things in heaven and earth are born from being. The beginning of being is grounded in non-being. — He Yan, fragments from "On the Dao""
How did He Yan's proposal that "moral institutions emerge from Nature" provide scholars with a coherent spiritual refuge amid the dark political struggles of his time?
He Yan takes "Non-being" as the metaphysical ground of all being; Plato takes the "Form of the Good" as the ultimate principle of all existence. Both posit a realm of transcendent ontology beyond phenomena as the source of the real, manifesting a shared quest for ultimate reality after the Axial breakthrough in both civilizations.
Is ultimate reality beyond phenomena or within them? Do the metaphysical systems of He Yan and Plato point toward the same truth through different cultural languages, or are they fundamentally incommensurable?
Laozi's "Non-being" is the cosmogonic origin of generation; He Yan's "Non-being" is elevated to a universal ontological ground encompassing both ethical codes and nature. The transition from cosmogony to ontology marks the philosophical transformation of Daoist thought in the Wei-Jin period.
Is "Non-being" the source from which all things arise, or the ground that sustains all things? Does He Yan's ontological reading deepen or distort Laozi's original meaning?
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