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 Concept of Heaven-Humanity Unification in "Responding to Heaven and Acting According to the Times"
The six characters "Responding to Heaven and acting according to the times" (应乎天而时行) represent the highest realm of the Da You hexagram's underlying principle.
"Responding to Heaven" (ying hu tian) means echoing the Dao of Heaven. When human actions align with the Dao of Heaven, the Dao of Heaven responds to humanity. This is the core of the Pre-Qin thought on the relationship between Heaven and humanity.
The Shangshu, Tai Shi Shang, records King Wu’s words: "What Heaven sees, we see; what Heaven hears, we hear" (天视自我民视,天听自我民听). What Heaven sees and hears is what the people see and hear. If a ruler can win the hearts of the people, he can respond to Heaven.
The Shijing, Da Ya, "Wen Wang" states: "The deeds of the High God are without sound or smell. Follow the pattern of King Wen, and the myriad states will trust in you" (上天之载,无声无臭。仪刑文王,万邦作孚). The Dao of Heaven is omnipresent without sound or smell, and King Wen followed this Dao, so all states trusted him. This is the state of "responding to Heaven."
"Acting according to the times" (shixing) means acting in accordance with the opportune time. The operation of Heaven’s Dao follows a temporal order: spring for birth, summer for growth, autumn for harvest, winter for storage—each has its proper time. Human actions must also conform to temporal suitability: advance when appropriate, retreat when appropriate, be firm when appropriate, be yielding when appropriate.
The Zhou Yi greatly emphasizes the concept of "time" (shi). In interpreting various hexagrams, the Tuan Zhuan often praises the "meaning of time." For instance, in the Sui hexagram (Following): "The meaning of adapting to the times is great indeed!" In the Yu hexagram (Joy/Excitement): "The meaning of timing for Yu is great indeed!" The "acting timely" of the Da You hexagram also embodies this spirit of "meaning of time."
Combining "Responding to Heaven and acting according to the times" means: aligning with Heaven's Dao and acting according to the trend of the times. This is not passive submission but active correspondence. Humanity responds to the Dao of Heaven with virtue, and the Dao of Heaven responds to human affairs with temporal trends. A virtuous interaction is formed between Heaven and humanity.