Idiom is a speech form or an expression of a given language that is peculiar to itself grammatically or cannot be understood from the individual meanings of its elements, as in keep tabs on. There are actually a lots of idioms in Chinese Language which originated from Yi-Jing 易经. Here are some examples: 有许多由《易经》起源的成语。下列成语都是来自易经: 否极泰来(周易•否、泰卦) 自强不息(周易•彖传、乾) 云行雨施(周易•乾、文言) 原始返终(周易•系辞上) 群龙无首(周易•乾用九) 虎视眈眈(周易•颐•六四) 谦谦君子(周易•象传•谦) 穷神知化(周易•系辞下) 日月合璧(周易•参同契) 王用三驱(周易•比卦) 九五之尊(周易•乾卦) 女先正内(周易•家人) 三品之功(周易•巽卦) 见几而作(周易•系辞传) 勿药有喜(周易•无妄) 反目成仇(周易•小畜) 止所当止(周易•良卦) 井泥不食(周易•井卦) 以上临下(周易•临卦) 不戒不虞(周易•萃卦) 立竿见影(周易•参同契) 鸟焚其巢(周易•旅卦) 出入无疾(周易•复卦) 正大光明(周易•离卦) 设险守国(周易•坎卦) 至日闭关(周易•复卦) 乱极必治(周易•蛊卦) 劳民劝相(周易•井卦) 我仇有疾(周易•鼎卦) 物极必反(否•泰卦义) 治历明时(周易•革卦) 商兑未宁(周易•兑卦) 枯杨生华(周易•大过) 载鬼一车 原始要终(周易•系辞传) 殊途同归(周易•系辞下) 乐天知命(周易•系辞上) 洗心革面(周易•系辞上) 无妄之灾(周易•系辞下) 革故鼎新(周易•杂卦传) 居易候命(周易•困卦) 类族辨物(周易•同人) 幽独之贤(周易•履卦) 介疾有喜(周易'•兑卦) 不速之客(周易•需卦) 王臣蹇蹇(周易•蹇卦)…