《淮南子·说山训》
所以就颤抖来讲，寒冷也会颤抖、畏惧也会颤抖，这名称相同，但颤抖的实质相异。
故寒颤，惧者亦颤，此同名而异实。
Therefore when it comes to trembling, trembling from cold and trembling from fear share the same name but have different substances of trembling.