同人 → 恆
Hexagram 13: Fellowship → Hexagram 32: Duration
Changing Lines
This transformation involves 4 changing lines (lines 1, 2, 5, 6).
Line 1
初九 同人于門。无咎。
Nine at the beginning means: Fellowship with men at the gate. No blame.
Line 2
六二 同人于宗。吝。
Six in the second place means: Fellowship with men in the clan. Humiliation.
Line 5
九五 同人先號咷而後笑。大師克相遇。
Nine in the fifth place means: Men bound in fellowship first weep and lament, But afterward they laugh. After great struggles they succeed in meeting.
Line 6
上九 同人于郊。无悔。
Nine at the top means: Fellowship with men in the meadow. No remorse.
Trigram Changes
Yilin Verse
鳴鵠抱子，見虵何咎？室家俱在，不失其所。
The singing swan guards her chick; seeing the snake, what harm? The household is all intact; nothing loses its place.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Heaven and fire form Fellowship as a swan cradles its young. A serpent appears — what harm could it do? The household remains intact; nothing is lost from its proper place. The parent bird's calm in the face of the snake embodies a fellowship so secure that external threats cannot penetrate it. From Fellowship to Duration, the transformation anchors this domestic security in permanence. Thunder and wind reinforce each other in Duration; the noble man stands firm and does not change course. The swan does not abandon its nest at the serpent's approach; the family endures because its members hold their ground. Duration is not rigidity but the steady heartbeat of a household that refuses to scatter.
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