Can you explain the transition from 'Nirguni' to 'Saguni' as detailed in Chapter 30?

Chapter 30 of the Sri Sai Satcharita elaborates on the concept of Sai's divine manifestation. It states that in the beginning, the divine resides as 'Nirguni,' which means formless and without attributes. However, the text explains that it is through the qualities of a devotee's sincere devotion that this formless essence is drawn into a 'Saguni' form—one with attributes that can be perceived and worshipped. This teaching from Chapter 30 highlights the dynamic relationship where the devotee's faith and love make the abstract, unknowable divine accessible and tangible in the form of a Sadguru like Sai Nath.