Relevance is ordinarily a necessary condition, but not a sufficient condition, for the admissibility of evidence. For example, relevant evidence may be excluded if its tendency to prove or disprove a fact is heavily outweighed by the possibility that the evidence will prejudice or confuse the jury.
Frederick Douglass wrote an autobiographical slave narrative.
Answer
Macbeth is not at peace because, in order to become a king, he murdered the previous king, Duncan. Not only does this murder make Macbeth consumed with guilt, but it triggers a series of events that make him feel more and more uneasy. Macbeth later murders Banquo, convinced that he also represents a threat to his power, while Duncan's son plots a revenge against Macbeth.
