Thesis: In the play, Macbeth by, William Shakespeare, Lady Macbeth clearly is the "outside force" and cause of Duncan's murder by Macbeth.

<Tab/>In everyday life, thoughts pass through our mind. Wishful thinking is had. At night one might dream. One might dream about far off places, impossible things, or future things and even what ifs. People use their minds to venture into where reality will no let them. Possibly their conscious minds won't allow them. What if, though, there was an outside force. A force that could push one's mind forward. Make …

…participated in Duncan's murder, physically. She was the largest player psychologically as well. She pushed the ideas in Macbeth's head. She became the little voice. Lady Macbeth manipulated Macbeth to obtain what she wanted. She worked him to get what she wanted. Lady Macbeth used every aspect and angle she could to screw with Macbeth. Lady Macbeth used her abilities of manipulation to succeed. It was only Macbeth's fantasy what Lady Macbeth made their reality.