易
雷风恒 Duration
恒久不已，立不易方Duration — constancy through change
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卦辞 · Judgment
亨，无咎，利贞，利有攸往。Duration — success, no error; perseverance furthers; it furthers to have somewhere to go.
传统吉凶分档 · Fortune Grade
吉取六档真源 · 依卦辞传统判读
守常不改、方向坚定则通而无咎，宜长期投入。 依据：卦辞「亨，无咎，利贞，利有攸往」——守常则亨，传统判为吉。
现代义理 · Modern Reading
雷与风长久相随，靠的是持续而不僵硬。恒不是死守不动，而是方向不变、方法可以调整。日常里能重复做下去的事，时间久了才显出分量。
生活应用适合用在长期坚持上：把目标拆成每天可以完成的小量，允许方法变化但不允许断线；团队制度定得简单直接，能执行下去比写得漂亮重要。
修养方向给一件长期要做的事定下固定时段，到点就开始。
本站自撰白话义理，参考传统注疏与卦义，供传统文化学习参考；含传统吉凶分档，不构成对结果的预测与保证。
六爻爻辞 · Moving Lines
- 初六 初六：浚恒，贞凶，无攸利。Seeking duration too hastily brings misfortune persistently; nothing that would further.
- 二九 九二：悔亡。Remorse disappears; one cannot remain forever in one's place; to make changes brings good fortune.
- 三九 九三：不恒其德，或承之羞，贞吝。He who does not give duration to his character meets with disgrace; persistent humiliation.
- 四九 九四：田无禽。No game in the field; it furthers one to hunt; if one is constantly on the move, nothing furthers.
- 五六 六五：恒其德，贞，妇人吉，夫子凶。Giving duration to one's character through perseverance; this is good fortune for a wife, misfortune for a husband.
- 上六 上六：振恒，凶。Giving duration to one's character through perseverance; this is good fortune for a wife, misfortune for a husband.