A Study of the Structure, Philosophical Principles, and Philosophy of Hexagram Huo Tian Da You (Fire over Heaven, Great Possession)
This article systematically investigates the fourteenth hexagram of the Yijing, 'Fire over Heaven — Great Possession' (Huo Tian Da You), analyzing its trigram structure of Li above Qian below, elucidating the rich connotations of 'Great Possession,' and drawing upon pre-Qin literature to expound the principle of 'one yielding line in the place of honor, five firm lines responding to it' — the way of grand virtue and great enterprise — revealing its profound significance in ancient political philosophy.
Appendix One: Methods of Divination and Application of Hexagram Da You
I. General Meaning
When one obtains Da You (no moving lines or all lines moving): greatly auspicious, all affairs penetrating. Guard with virtue; do not be arrogant.
II. Each Moving Line
Initial Nine moves: Becomes Fire over Mountain (Traveler). Guard with humility and caution.
Nine in the Second moves: Becomes Fire over Fire (Clinging). Brightness at its peak; bear loads and act.
Nine in the Third moves: Becomes Fire over Lake (Opposition). "A duke makes offering to the Son of Heaven" — auspicious.
Nine in the Fourth moves: Becomes Wind over Heaven (Small Accumulation). Restrain one's edge; small accumulation only.
Six in the Fifth moves: Becomes Heaven over Heaven (Qian). Pure firmness; guard against arrogant regret.
Top Nine moves: Becomes Thunder over Heaven (Great Vigor). Fame resounding; guard against excessive rigidity.
III. Lessons from Pre-Qin Examples
The moving line's statement is the core basis; the transformed hexagram's image is supplementary; comprehensive judgment combines with the specific matter asked about.