The quote poses a philosophical question about the essence of life and existence, contrasting the act of breathing in with breathing out. It suggests a deeper inquiry into what constitutes the core nature of a person, possibly alluding to the balance between receiving and giving. In this way, it invites readers to consider the significance of both aspects in shaping one's identity and experiences.

In the context of Margaret Atwood's "The Blind Assassin," this theme reflects the complexities of human relationships and individual agency. The characters navigate their desires and the influences of others, mirroring the push and pull represented in the act of breath. Ultimately, the quote echoes a fundamental exploration of life’s dualities and the interconnectedness of existence.