頤 → 萃
第27卦 頤 (Nourishment) 变 第45卦 萃 (Gathering Together)
变爻
此变化涉及 4 个变爻（第 1、4、5、6 爻）。
第初爻
初九 舍爾靈龜。觀我朶頤。凶。
Nine at the beginning means: You let your magic tortoise go, And look at me with the corners of your mouth drooping. Misfortune.
第四爻
六四 顛頤。吉。虎視眈眈。其欲逐逐。无咎。
Six in the fourth place means: Turning to the summit For provision of nourishment Brings good fortune. Spying about with sharp eyes Like a tiger with insatiable craving. No blame.
第五爻
六五 拂經。居貞吉。不可涉大川。
Six in the fifth place means: Turning away from the path. To remain persevering brings good fortune. One should not cross the great water.
第上爻
上九 由頤。厲吉。利涉大川。
Nine at the top means: The source of nourishment. Awareness of danger brings good fortune. It furthers one to cross the great water.
卦象变化
焦氏易林
水深無桴，蹇難何游？商伯失利，庶人愁憂。
Water deep, no raft to cross; in such hardship, how to ford? The merchant lord loses his profit; the common folk grieve and worry.
— 焦延寿《焦氏易林》，公元前一世纪
注释
山下有雷化為澤上於地之萃，頤養之聚化為萃之凝滯。水深無桴——水深而無筏可渡。蹇難何游——困頓之中如何泅渡？商伯失利，庶人愁憂——商人虧損，百姓憂愁。萃之聚水本應帶來豐足，此處卻成為不可逾越之障礙。無桴則深成險而非資。從頤至萃，養之物凝聚為不可及之塊：澤積於地而人不得渡。聚而不散即為囤積，囤積之養不養一人。商與民同困於水之不可渡之岸。萃之「除戎器，戒不虞」，此時之不虞正是養之過聚。
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