Final answer:
The quote from Shakespeare's 'Macbeth' shows Lady Macbeth's willingness to do whatever it takes to achieve power, including murder, and is representative of themes of power and ambition in literature.
Step-by-step explanation:
The passage you've quoted is from Shakespeare's tragedy Macbeth, specifically spoken by Lady Macbeth in Act 1, Scene 7. This dark soliloquy captures the essence of the character's ruthlessness and her willingness to go to any lengths to achieve power. The references to breast-feeding and the maternal bond contrast sharply with her readiness to commit murder, illustrating the theme of unnaturalness and the inversion of natural order present in the play.
The literary device used in this speech is hyperbole, which Lady Macbeth employs to chastise Macbeth for his hesitation to murder King Duncan, thereby questioning his masculinity. Moreover, the speech contains a strong sense of ambition and manipulation, as Lady Macbeth exerts control over her husband, pushing him towards the regicide that she sees as a necessary act to fulfill the witches' prophecy that Macbeth will become king.
The additional quotes also explore themes of intimacy, love, and commitment, but also hint at elements of control and power within relationships, touching upon human psychology and the complexities of emotions. These themes can be found in a variety of literary works and are part of a broader exploration of the human condition.