1 This flickering or twitching can be very annoying. 2  It has been observed that fatigue is the main culprit responsible for eye flickering. 3  Eye flickering can be associated with muscle contractions of the eye lid and it is important that the causes behind this phenomenon be found out.
A Wolf in sheep's clothing is an idiom of Biblical origin used to describe those playing a role contrary to their real character with whom contact is dangerous, particularly false teachers.
In France the theme of the wolf disguised as a shepherd is more common. A number of recent CDs are titled A Wolf in Sheep's Clothing, although most are references to the idiom and the fable is not mentioned in the words of any of the songs