比 → 兌
第8卦 比 (Holding Together) 变 第58卦 兌 (The Joyous Lake)
变爻
此变化涉及 3 个变爻（第 1、2、4 爻）。
第初爻
初六 有孚比之。无咎。有孚盈缶。終來有它吉。
Six at the beginning means: Hold to him in truth and loyalty; This is without blame. Truth, like a full earthen bowl: Thus in the end Good fortune comes from without.
第二爻
六二 比之自內。貞吉。
Six in the second place means: Hold to him inwardly. Perseverance brings good fortune.
第四爻
六四 外比之。貞吉。
Six in the fourth place means: Hold to him outwardly also. Perseverance brings good fortune.
卦象变化
焦氏易林
四尾六頭，為凶作妖；陰不奉陽，上失其明。
Four tails and six heads, conjuring ill and making mischief. Yin does not serve yang; the ruler above loses his clarity.
— 焦延寿《焦氏易林》，公元前一世纪
注释
地上有水，比也。然四尾六頭，為凶作妖——四尾六首之怪物，興凶造孽。陰不奉陽——陰不從陽，臣不事君。上失其明——上位者喪失明斷。多頭多尾之獸為政治混亂之象：權力中心過多，議程紛雜，自然等級顛倒。從比至兌（麗澤兌），重澤本應以開放交流而生共悅。然詩示兌之陰面：過度開放消融為無形，快樂無結構則化為怪物。人人為首而無人從屬，則歡悅本身亦成妖孽。
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