I Ching · #34
䷡
The Power of the Great
雷天大壯
strength
assertion
propriety
The Judgment
大壯，利貞。
The Power of the Great. Perseverance furthers.
The Image
雷在天上，大壯；君子以非禮弗履。
Thunder over heaven: the image of the Power of the Great. Thus the superior person does not tread on paths that are not right.
In one line
Great strength needs form, or it becomes force.
Trigrams
Lower (inner)
☰
Heaven
the sky · Metal
Upper (outer)
☳
Thunder
thunder · Wood