Hexagram 34, Great Power (Dà Zhuàng, 大壮), is formed of the upper trigram Thunder (震) over the lower trigram Heaven (乾). Below is the classical judgment, the six line texts, and how to read this hexagram in a reading.
The outer (upper) trigram Thunder describes the situation as it meets the world; the inner (lower) trigram Heaven describes its inner disposition. Together they set the theme of Great Power.
When Great Power appears without changing lines, the judgment above stands as the whole answer. When you cast changing lines (a 6 or a 9), read those line texts first — they are the most specific guidance — then look to the relating hexagram they form for where the situation is heading. For love, career, or a decision, apply the theme of Great Power to your own circumstances rather than reading it as a fixed prediction.
Ask the oracle your own question and see whether Great Power answers.
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