蒙 → 謙
Hexagram 4: Youthful Folly → Hexagram 15: Modesty
Changing Lines
This transformation involves 3 changing lines (lines 2, 3, 6).
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 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
日月相望，光明盛昌。三聖茂承，功德大隆。
Sun and moon gaze upon each other; their light is full and glorious. Three sages vigorously continue; achievements and virtue greatly flourish.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
A spring beneath the mountain gazes upward as sun and moon face each other in resplendent light. Three sages carry forward the mandate in flourishing succession, their merit and virtue rising to magnificence. The 'three sages' likely refers to the founding triad of the Zhou dynasty — King Wen, King Wu, and the Duke of Zhou — whose cumulative moral achievement established an enduring civilization. From Youthful Folly to Modesty, the transformation is telling: the mountain hidden within the earth is the humblest of images, yet it contains the greatest inner substance. The most luminous achievements of civilization rest on the modesty of sages who built without ostentation, their brilliance shining precisely because they did not seek to display it.
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