《易传·系辞传上·第八章》
有了三百八十四爻以拟像天下一切的动作营为，故天下最动荡不安的事情，观察易爻，也不致繁乱了。
言天下之至动而不可乱也。拟之而后言，议之而后动，拟议以成其变化。
With the three hundred and eighty-four hexagrams to represent all the actions in the world, even the most turbulent and unstable events would not seem chaotic when observed through the prism of the Yi.