The document questions who the speaker truly is beyond physical and worldly identities. It argues that one's true identity is as the eternal soul, which is indifferent to pain and pleasure and bigger than dimensions of the universe yet smaller than the smallest particle. Through exploring within and realizing the relationship between the finite human body and the infinite supreme soul, one discovers that the realized finite is inseparable from the infinite, and thus the speaker finds their identity as Brahman, the supreme soul.