In this quote from Shakespeare's "Macbeth," the speaker expresses a sense of determination as they prepare to carry out a dark and dangerous plan. They convey a readiness to align their physical actions to achieve a daunting goal that involves deception and betrayal. This inner struggle reveals the tension between appearance and reality, as the character acknowledges the need to present a facade while concealing their true intentions.

The phrase highlights the themes of ambition and moral conflict that are central to the play. The speaker understands that to succeed in their treacherous scheme, they must disguise their true feelings and intentions. This duality between the outer show and inner truth underscores the tragic choices that drive the narrative, illustrating how ambition can lead individuals to mask their real emotions to navigate the treacherous landscape of power and guilt.