According to Chapter 30, how is Sai Baba's paradoxical nature as both formless and with form explained?

Chapter 30 of the Sai Satcharitra explains that Sai Baba's fundamental nature is formless, or 'Nirguni'. However, through the power and qualities of his devotees' devotion, He is drawn from this formless state into a form with attributes, known as 'Saguni'. This beautiful transformation, described in verse 2, highlights how a devotee's love can give form to the formless, making the divine accessible. The text states, "In the beginning, You reside as the formless (Nirguni). Then, through the qualities of devotees' devotion, You draw the formless into form with attributes (Saguni)."