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Hexagram 18

Confronting Decay

Trigrams:Upper Mountain · stopsLower Wind · penetrates

Reading it as a decision

Mountain sits still on top, wind moves in underneath — Gǔ is the hexagram for problems that have been left alone long enough to compound. The guaci doesn't soften this: it calls for crossing the great river, for taking on something consequential, and it marks time carefully around the turning point, because fixing accumulated neglect isn't a single motion, it's a sequence that has to be handled in order. Whatever this represents in your situation, it's framed as damage that's been quietly building rather than a fresh problem that just appeared.

The read on staying with the current arrangement is unfavorable — this tends to be a position where the exits look better than holding on, and letting the situation continue as-is doesn't cost less over time, it costs more. The classical line texts lean cautionary here, which fits: the fix isn't comfortable, but avoiding it isn't neutral either. The path this hexagram classically transforms toward is the Cauldron — repair work done deliberately becomes the foundation for something new, but only once it's actually carried out.

The classical text

Judgment (卦辭)

蠱,元亨,利涉大川。先甲三日,后甲三日。

Confronting decay calls for great effort and favors crossing the great river, with care taken before and after the starting day.

The six lines (爻辭)

  • 初六:干父之蠱,有子,考無咎,厲,終吉。

    A son sets right the decay left by his father; there is danger in it, but it ends in good fortune.

  • 九二:干母之蠱,不可貞。

    Correcting the mother's fault calls for flexibility, not rigid insistence.

  • 九三:干父之蠱,小有晦,無大咎。

    Correcting the father's decay brings minor regret but no serious fault.

  • 六四:裕父之蠱,往見吝。

    Letting the father's decay go unchecked, and pressing forward only brings trouble.

  • 六五:干父之蠱,用譽。

    Correcting the father's decay earns honor and praise.

  • 上九:不事王侯,高尚其事。

    He serves no king or lord, holding his own pursuits above worldly office.

This is a general reference, not a live reading — it doesn't know your situation. iYarrow casts a fresh hexagram for the actual question you're weighing.

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