蒙 → 既濟
Hexagram 4: Youthful Folly → Hexagram 63: After Completion
Changing Lines
This transformation involves 5 changing lines (lines 1, 2, 3, 5, 6).
Line 1
初六 發蒙。利用刑人。用說桎梏。以往吝。
Six at the beginning means: To make a fool develop It furthers one to apply discipline. The fetters should be removed. To go on in this way bring humiliation.
Line 2
九二 包蒙吉。納婦吉。子克家。
Nine in the second place means: To bear with fools in kindliness brings good fortune. To know how to take women Brings good fortune. The son is capable of taking charge of the household.
Line 3
六三 勿用取女。見金夫。不有躬。无攸利。
Six in the third place means: Take not a maiden who, when she sees a man of bronze, Loses possession of herself. Nothing furthers.
Line 5
六五 童蒙。吉。
Six in the fifth place means: Childlike folly brings good fortune.
Line 6
上九 擊蒙。不利為寇。利禦寇。
Nine at the top means: In punishing folly It does not further one To commit transgressions. The only thing that furthers Is to prevent transgressions.
Trigram Changes
Yilin Verse
馬驚破車，主墮深溝。身死魂去，離其室廬。
The horse bolts, the carriage shatters; the master is thrown into a deep ditch. Body dead, soul departed; severed from his home.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
A spring beneath the mountain ends in a catastrophic wreck. A horse bolts, the carriage shatters, and the driver is hurled into a deep ditch. Body dead, soul departed, severed from hearth and home. The verse is one of the grimmest in the Yilin — a fatal accident rendered with cinematic clarity. There is no allusion to soften the blow, only the naked physics of a spooked horse, a broken vehicle, and a body in a trench. From Youthful Folly to After Completion, the irony is absolute. Water above fire represents a state of perfect, achieved order — everything in its proper place. Yet 'after completion' is also the moment of maximum vulnerability, when vigilance relaxes and the unforeseen strikes. The naif who thought the journey was finished discovers that completion and catastrophe share the same instant.
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