夬 · Guài — Resolute Breakthrough
King Wen Sequence #43 (夬 Guài — Resolute Breakthrough) embodies lake water surging up to breach the heavenly dike. Assigned to the Kun Earth Palace (坤宫八卦 · Receptive Treasury) · 五世卦 (World Line 5 / Response Line 2) and resonant with Autumn Equinox Joyous Metal (秋分兑金 · 白露—霜降), its six-line binary vector (111110) pairs 乾 Qian (Creative Sovereignty) at the root with 兑 Dui (Joyous Expression) at the crown.
《大象》：澤上于天，夬；君子以施祿及下，居德則忌。 ｜ 《彖传》：夬，決也，剛決柔也。健而說，決而和，揚于王庭，柔乘五剛也。孚號有厲，其危乃光也。告自邑，不利即戎，所尚乃窮也。利有攸往，剛長乃終也。
Visual Archetype: floodgate opening into irrigation canals. When Lake (Metal) interacts with Heaven (Metal), the primary strategic mandate centers on making a resolute, transparent public declaration. Its Polarity Opposite (Cuo Gua · 错卦) is #23 剥 (Stripping Away the Old), its Overturned Inverse (Zong Gua · 综卦) is #44 姤 (Unexpected Encounter), and its Nuclear Core (Hu Gua · 互卦) reveals #1 乾 (The Creative Heaven).
坤宫 · 世爻第5爻 / 应爻第2爻
For decision-makers consulting 夬 (Guài) regarding making a resolute, transparent public declaration, the hexagram highlights the interplay between Metal foundation and Metal manifestation under the Earth Palace. Rather than generic haste, align execution with Autumn Equinox Joyous Metal (秋分兑金 · 白露—霜降) rhythms and inspect whether your natal BaZi chart favors Earth, Metal, or Metal as its Favorable Element (喜用神).
《京氏易传》世应法：九五立世，九二大夫為應(京氏易傳原文:天子居世5爻,應爻隔三爻)
Six Lines Progression (六爻爻辞 · Bottom Line 1 to Top Line 6)
夬 (Guài) Line 1 [初九 · 甲子 (水) · 妻财 (水)]: Germination of lake water surging up to breach the heavenly dike near floodgate opening into irrigation canals; validate root premises before accelerating making a resolute, transparent public declaration. Single-line transformation leads to Zhi Gua #28 大过 (Extraordinary Burden).
《周易本义》：前猶進也當決之時居下任壮不勝宜矣故其象占如此
夬 (Guài) Line 2 [九二 · 甲寅 (木) · 官鬼 (木) · 应爻 Response]: Central lower-trigram seat anchored in floodgate opening into irrigation canals; cultivate Metal craftsmanship in harmony with #1 乾. Single-line transformation leads to Zhi Gua #49 革 (Timely Transformation).
《周易本义》：莫音暮○九二當決之時剛而居柔又得中道故能憂惕號呼以自戒備而莫夜有戎亦可无患也
夬 (Guài) Line 3 [九三 · 甲辰 (土) · 兄弟 (土)]: Threshold between 乾 Qian and 兑 Dui during Autumn Equinox Joyous Metal (秋分兑金 · 白露—霜降); pace making a resolute, transparent public declaration carefully. Single-line transformation leads to Zhi Gua #58 兑 (Joyful Shared Discourse).
《周易本义》：頄求龜反○頄顴也九三當決之時以剛而過乎中是欲決小人而剛壮見于面目也如是則有凶道矣然在衆陽之中獨與上六為應若能果決其決不係私愛則雖合於上六如獨行遇雨至於若濡而為君子所愠然終必能決去小人而无所咎也温嶠之於王敦其事類此
夬 (Guài) Line 4 [九四 · 丁亥 (水) · 妻财 (水)]: Ministerial counsel within the Kun Earth Palace (坤宫八卦 · Receptive Treasury) · 五世卦; align lake water surging up to breach the heavenly dike with institutional mentors. Single-line transformation leads to Zhi Gua #5 需 (Strategic Waiting).
《周易本义》：臀徒敦反次七私反且七余反姤卦同○以陽居隂不中不正居則不安行則不進若不與衆陽競進而安出其後則可以亡其悔然當決之時志在上進必不能也占者聞言而信則轉凶而吉矣牽羊者當其前則不進縱之使前而隨其後則可以行矣
夬 (Guài) Line 5 [九五 · 丁酉 (金) · 子孙 (金) · 世爻 World]: Fulcrum of Resolute Breakthrough (䷪); command making a resolute, transparent public declaration through balanced Metal and Metal synthesis. Single-line transformation leads to Zhi Gua #34 大壮 (Righteous Vigor).
《周易本义》：莧閑辨反○莧陸今馬齒莧感隂氣之多者九五當決之時為決之主而切近上六之隂如莧陸然若決而決之而又不為過暴合於中行則无咎矣戒占者當如是也
夬 (Guài) Line 6 [上六 · 丁未 (土) · 兄弟 (土)]: Culmination of lake water surging up to breach the heavenly dike, pivoting toward Inverse #44 姤 (Unexpected Encounter) and Opposite #23 剥. Single-line transformation leads to Zhi Gua #1 乾 (The Creative Heaven).
《周易本义》：隂柔小人居窮極之時黨類已盡无所號呼終必有凶也占者有君子之徳則其敵當之不然反是
BaZi & Plum Blossom Numerology (梅花易数) Connection
Spatial & Elemental Calibration for #43 夬: Place a floodgate opening into irrigation canals motif or Earth-element accent in your workspace; cross-reference Hexagram #23 (剥) when balancing Yin/Yang extremes.
Download Hexagram #43 (夬 Guài) 6 Changing Lines Commentary
Get line-by-line classical Yao Ci (爻辞) interpretations from bottom Line 1 (Initial) to top Line 6 (Culmination).