Meaning of "The Mule" by Deep Purple

The lyrics of "The Mule" by Deep Purple delve into the theme of manipulation and control, where the protagonist feels like they are being influenced and driven by someone else's actions. The imagery of standing in front of someone and being unable to see the things they do highlights a lack of awareness and powerlessness. The reference to singing, saying prayers, and living carefree in the past contrasts with the current state of feeling like a fool and a slave. The idea of having a Lucifer hidden in the mind suggests inner turmoil and temptation, leading to a struggle to break free from the control exerted by the mule. Overall, the lyrics depict a sense of powerlessness, inner conflict, and vulnerability in the face of external manipulation.