求翻译：易经上说："观变于阴阳而立卦，发挥于刚柔而生爻，和顺于道德而理于义，穷理尽性以至于命"。是什么意思？

Ching said: "change in the concept of yin and yang standing Easter, born Yao to play in the rigid, rolls on the meaning of morality and reason, poor reason to do so that life."

I Ching said: "Kwun remain unchanged on the yin and yang, and play your thirties trigrams Sophie has just been born spontaneously, Hwasun on moral righteousness, and the poor management and acting in order to do so", nature.

In the Book of Changes said that,The “view changes in the masculine and feminine elements sets up the ancient divination symbol, displays in hard and soft and lives yao, but manages obligingly in the morals in righteousness, the poor principle assigns” with all one's heart.

I Ching said: "views on diagrams of yin and Yang, born played on rigid-flexible line in the Eight Diagrams, heshun in morals and in righteousness, poor acting that fate".

I Ching said: "views on diagrams of yin and Yang, born played on rigid-flexible line in the Eight Diagrams, heshun in morals and in righteousness, poor acting that fate".