A strong desire to do what one can to achieve something great, does not always have a happy ending. Deceit, extortion, and even the thought of murder can very well influence someone to get what they want. By any means necessary is the way to go. This is an unfortunate theme in "Macbeth", one of William Shakespeare's most famous tragedies. It is a tale that tells the story of a Scottish King, who's wife is the inspiration behind his means to take the thrown and claim his power. Violence and bloodshed are the ways to claim that seat. .
Although Macbeth has his own desires to do all he can to reach his goal, it is Lady Macbeth who encourages and forces him to get there. There is an evil that takes over her well intended ambition for her husband, family, and unfortunately it is what leads her to an uncontrollable state far exceeding her true love for Macbeth, and her best interests for her country. It is Lady Macbeth's thirst for power and her inability as a woman to gain that right without a dominant male partner, that drives her to great lengths to accomplish that goal. With her greatest ability; manipulation, she strives to establish her place of power through the name of love, not knowing that desire can also lead to self destruction. .
Lady Macbeth has an important role in her husbands decisions. It is obvious that she has compassion and dearly loves and cares for her husband, but it is lust for power, and innocently so, her devotion for her country that makes her do what ever she can to influence him. Macbeth believes in the prophecy that the witches present him, and although he wants to become King by any means necessary, he just doesn't have the will it takes to get there by himself. It is Lady Macbeth that sees his weakness and uses that against him. Words are the most powerful weapon one can use against another. Her tongue is her weapon. With that power she dominates her husband without having to take any actions herself.