Can you summarize the main themes and expressions of devotion found in Chapter 30 of the Sri Sai Satcharitra?

Chapter 30 is a profound expression of devotion, portraying Sai Baba as the compassionate "abode of mercy" who dispels the fears of worldly existence. The text describes Him as initially formless (Nirguni) but taking on a form with attributes (Saguni) due to the devotion of His followers. A central theme, as highlighted in Chapter 30, is that Sai Nath knows and fulfills the innermost desires of His devotees, making them feel fulfilled. The author also reflects on his own role, stating that Sai is the true illuminator of his speech and the one who gets the work of writing the text accomplished.