How does Chapter 18 describe the effect of a Guru's grace on a devotee's perception?

Chapter 18 explains that through the Guru's grace, a devotee can overcome illusion. The text proclaims, "Through experience, You show the world to be an illusion," hailing the Sadguru as the "Ruler of Maya." Furthermore, it states that if one is fortunate enough to fall within the Guru's grace, the false logic and duality of "mine" and "thine" (distinguishing between 'ours' and 'a stranger') completely disappears, leading to a state of unity and enlightenment.