What is the origin of the idiom "like sheep" and when to use it?

The idiom "like sheep" has its origin in biblical and literary references. In religious texts, such as the Bible, sheep are frequently used as a metaphor to represent followers or believers who trust and obey their religious leaders or God. The concept of humans being compared to sheep dates back to ancient times, emphasizing the idea of individuals relying on guidance and direction from others. It is often used in discussions about societal behavior, group dynamics, or situations where people unquestioningly follow the crowd or adopt popular beliefs without critical examination.