Can you explain the philosophical concept of 'I and mine' being a mirage and how overcoming it leads to freedom?

In Chapter 17, the concepts of "I and mine" are described as a delusion rooted in bodily ego, which itself arises from the illusion of Maya. This sense of self and ownership is compared to a mirage, something that seems real but is ultimately false and causes one to forget their true spiritual nature. The text advises that as long as this perspective of "me and you" persists, one cannot see their own true welfare. To achieve freedom, one must become free of 'mine-ness' by recognizing the illusory nature of this ego. By discarding this viewpoint, looking at one's own true self, and transcending the duality, one can remain in a pure, self-controlled state of liberation.