Structural Analysis, Meaning, and Philosophical Inquiry of the Hexagram Huotian Dayou (Fire Over Heaven)
This article systematically investigates the fourteenth hexagram of the *I Ching*, *Huotian Dayou*, analyzing its structure (Li over Qian), delineating the rich connotations of 'Great Possession,' and interpreting its principle of 'One Softness in Supremacy Responded to by Five Yangs' through the lens of Pre-Qin texts, thereby revealing its profound significance in ancient political philosophy.
Section 4: The Position of the Da You Hexagram within the Sixty-Four Hexagrams
The placement of Da You as the fourteenth hexagram is by no means accidental.
Starting from Qian and Kun, passing through Tun (Difficulty at the Beginning), Meng (Obscurity), Xu (Waiting), Song (Conflict), Shi (The Army), Bi (Biting Through/Clinging to), Xiao Chu (Small Accumulation), Lü (Treading), Tai (Peace), Pi (Stagnation), and Tong Ren (Kith and Kin), we arrive at Da You, encompassing fourteen hexagrams. This sequence of fourteen hexagrams constitutes a complete process of development.
Qian and Kun are the beginning of heaven and earth, the root of all things. Tun is the difficulty of nascent life. Meng is the confusion of the early stage of life. Xu is the nourishment required for growth. Song is the rising of human conflict. Shi is the use of military forces. Bi is the way of clinging or allegiance. Xiao Chu is the accumulation of the small and yielding. Lü is the ritual of treading or putting into practice. Tai is the flourishing attained when Heaven and Earth communicate. Pi is the blockage when Heaven and Earth fail to communicate. Tong Ren is the harmony achieved when all people share the same heart.
The progression from Tong Ren to Da You is a process from "Harmony" to "Possession." Once people's hearts are united, all forces converge, all things submit, leading to Da You. This signifies: first gain the hearts of the people, then gain the realm.
The words in the Xuguazhuan are very clear: "Those who are in accord with others will surely attract things to them, therefore it is followed by Da You" (与人同者，物必归焉，故受之以大有). Furthermore: "One who possesses greatly cannot be complacent, therefore it is followed by Qian (Humility)" (有大者不可以盈，故受之以谦). The sequence linking Da You to Qian deeply reflects principle.
Observing the entire Upper Canon, the Tai and Pi hexagrams deal with the openness and blockage between Heaven and Earth, concerning the ebb and flow of cosmic momentum. The Tong Ren and Da You hexagrams concern human affairs of harmony and possession, relating to the rise and fall of human governance. Tai and Pi speak of the opening and closing of the Heavenly Dao; Tong Ren and Da You speak of the gains and losses of the Human Dao. These two pairs complement each other, forming a crucial link in the Upper Canon.
From the perspective of trigram transformation, the Complementary Hexagram (Zong Gua) of Da You (by inverting it) is Tong Ren. Da You is Li above Qian below; inverted, it becomes Qian above Li below, which is Tong Ren. This shows that Da You and Tong Ren are the front and back of the same object. Tong Ren is the foundation of Da You, and Da You is the achievement of Tong Ren. To attain Da You, one must first achieve Tong Ren; having attained Da You, one must not forget the way of Tong Ren.