Based on the provided text, what are the primary philosophical and devotional teachings found in Chapter 26 of the Sai Satcharitra?

Chapter 26 of the Sai Satcharitra is rich with teachings on both philosophy and devotion. Philosophically, it teaches that the physical world is an illusion, a play of Maya, and that the true reality is the eternal, self-luminous Self. This illusion is dispelled only through true knowledge. Devotionally, the chapter emphasizes the indispensable role of the Guru in imparting this knowledge. It contains a powerful prayer of surrender, where the devotee relinquishes their ego and body-consciousness, asking the Guru to take complete control. Furthermore, Chapter 26 advocates for a higher form of worship that is internal—offering pure love, faith, and sattvic emotions—as being more potent and pleasing to the Guru than any external ritual.