雷天大壯
Core Insight
雷天大壯 — Hexagram 34
The Power of the Great. Strong action, but it must serve what is right. Pressing in the wrong direction with great force only deepens the error.
The Image
雷在天上，大壯；君子以非禮弗履。
The Image of The Power of the Great: refuse to step outside right conduct even when strength is available. Treat the image as practical discipline, not decoration: let it shape the next concrete choice.
Shifting lines
初爻
At the beginning of The Power of the Great, keep the move small. Clarify the real question before seeking momentum.
二爻
A steadier position appears. Accept help, test the facts, and choose the next step that can be repeated.
三爻
Pressure rises in The Power of the Great. Do not make the tension theatrical; name the risk and reduce the unnecessary load.
四爻
The situation nears a threshold. Recheck motives, adjust the method, and avoid forcing a premature outcome.
五爻
This is the governing line of The Power of the Great. Act from the clearest principle and make the decision useful to others.
上爻
The pattern is reaching its limit. Complete what can be completed, release excess, and prepare for the next change.