What is the origin of the idiom "turn the other cheek" and when to use it?

The idiom "turn the other cheek" has its origin in the Bible, specifically in the teachings of Jesus found in the New Testament where he instructs his followers on how to respond to adversity and mistreatment. The origin of the phrase itself can be traced back to this biblical passage, which emphasizes the principles of forgiveness and nonviolence. As a result this expression has become a widely recognized idiom used to be used to emphasize the importance of forgiveness and nonviolent conflict resolution.