Can you explain the meaning behind the metaphor of the parrot tied to a tube?

The metaphor of the parrot tied to a tube, found in Chapter 17, serves as an analogy for the human condition. In this comparison, the parrot represents the individual soul, which is inherently pure Brahman, free and capable of soaring. The tube symbolizes the physical body and the entanglement in worldly attachments and ego—the illusion of "me and you." The soul becomes bound, like the parrot tied to the tube, forgetting its true nature. The text urges the soul to "release the feet that are held tight... and fly high in the sky," which is a call to detach from the bodily ego and realize its innate freedom.