Hexagram 42: Increase → Hexagram 41: Decrease

Increase
Wind / Thunder
Decrease
Mountain / Lake
Changing LinesStable Lines

Changing Lines

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

Line 2

六二 或益之十朋之龜。弗克違。永貞吉。王用享于帝吉。

huòsomebody
increases
zhī(to) (this) one
shí(by) ten
péng(matched) pairs
zhīof
guītortoise
(one) (is) not
able
wéi(of
yǒngeverlasting
zhēnpersistence
(is) promising
wáng(a
yòngapplies
xiǎng(the) offering
to
god
promising

Six in the second place means: Someone does indeed increase him; Ten pairs of tortoises cannot oppose it. Constant perseverance brings good fortune. The king presents him before God. Good fortune.

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 MountainThe Gentle → Keeping Still
Lower TrigramThunder LakeThe Arousing → The Joyous

Yilin Verse

桀跖惡人,使德不通。炎旱為殃,年穀大傷。

Jie and Zhi, wicked men, obstruct the way of virtue. Scorching drought becomes a scourge; the year's grain is utterly destroyed.

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

Commentary

Wind and thunder bestow increase, but the transformation leads to the mountain above the lake — the sacrificial reduction of Decrease. Jie and Zhi, archetypal villains, obstruct the flow of virtue. Scorching drought becomes a plague, and the year's harvest is devastated. Jie, the last tyrant of Xia, and Robber Zhi, the legendary bandit, together embody the extremes of misrule and lawlessness. Their presence blocks every channel through which benevolence might reach the people. The resulting drought is both literal and metaphorical: when virtue is dammed up, the land itself withers. From Increase to Decrease, the dynamic is one of abundance systematically stripped away. The mountain takes from the lake below — but here, the taking is not disciplined sacrifice but predatory extraction by those who corrupt every gift they touch.

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