噬嗑

Hexagram 42: Increase → Hexagram 21: Biting Through

Increase
Wind / Thunder
噬嗑
Biting Through
Fire / Thunder
Changing LinesStable Lines

Changing Lines

This transformation involves 2 changing lines (lines 4, 5).

Line 4

六四 中行。告公從。利用為依遷國。

zhōng(the) central
xíngconduct
gàoannounce
gōng(to the) prince
cóng(who) follows
worthwhile
yòng(to be) applied
wéi(to) effect
a mainstay
qiān(in) moving
guó(the) nation

Six in the fourth place means: If you walk in the middle And report the prince, He will follow. It furthers one to be used In the removal of the capital.

Line 5

九五 有孚惠心。勿問元吉。有孚惠我德。

yǒu(if
sincerity
huì(and a) kind(ly)
xīnheart
not at all
wènquestion
yuánmost
promising
yǒu(there is
sincerity
huìkind(ness)
my
virtue

Nine in the fifth place means: If in truth you have a kind heart, ask not. Supreme good fortune. Truly, kindness will be recognized as your virtue.

Trigram Changes

Upper TrigramWind FireThe Gentle → The Clinging
Lower TrigramThunder Thunder

Yilin Verse

耳如驚鹿,不能定足。室家分散,各走匿竄。

Ears alert like a startled deer, unable to steady its footing. The household scatters apart; each flees and hides in secret.

— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE

Commentary

Wind and thunder bestow increase, but the transformation leads to fire and thunder — the decisive bite of Biting Through, here experienced as the terror of being bitten. Ears prick like a startled deer, feet unable to find stable ground. The household scatters, each member fleeing and hiding in different directions. The imagery is visceral: a family unit disintegrating under sudden threat, every member reverting to animal instinct. The startled deer is pure flight response — no reasoning, no plan, only terror. From Increase to Biting Through, the verse captures the moment when accumulated tension snaps. Lightning and thunder bring clarity through shock; what cannot hold together is violently separated. The increase that should have strengthened the household instead amplified the tensions that finally tore it apart.

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