The quote from Anthony Burgess's "A Clockwork Orange" emphasizes the essential nature of choice in defining humanity. It suggests that the ability to make moral decisions is what differentiates humans from other beings. Without the capacity to choose, one loses an essential part of their identity and agency. This idea points to the importance of free will in personal development and moral responsibility.

Furthermore, the quote reflects on the broader theme of the novel, which grapples with issues of control, freedom, and the moral implications of one's actions. It serves as a reminder that the power of choice is fundamental, and when individuals are stripped of this power, they become less than human, losing their individuality and moral compass.