What are the key devotional themes and promises for devotees outlined in Chapter 30 of the Sai Satcharitra?

Chapter 30 is rich with devotional themes and assurances for followers of Sai Baba. A primary theme is Sai's immense compassion, describing him as an "abode of mercy" who uplifts his devotees. It promises that holding onto his feet dissolves sins and that remembering him during difficulties brings peace. The chapter assures devotees that Sai Nath knows and fulfills their heart's desires. Furthermore, as this section of the Sai Satcharitra conveys, it promises that Sai's grace can bestow the "wealth of discrimination between Self and non-Self" and all knowledge, and that even those who feel they are of little power and lack proper spiritual background (samskaras) are not forsaken by Sai.