Why is meditating on Sai's physical form (Saguna) considered important in Chapter 52, and how does it relate to understanding the formless (Nirguna)?

Chapter 52 emphasizes the importance of meditating on Sai's physical, or *Saguna*, form as a necessary step to grasping the formless Absolute, or *Parabrahma*. The text explicitly states that "Without entering the Saguna form, the light of the Self cannot be known" because the formless, attributeless Parabrahma is "entirely difficult to understand" on its own. Therefore, the chapter suggests that by meditating immensely on Sai's physical form, the devotee can experience a transition where the form itself vanishes, allowing the subtle nature of the Self to manifest. This is presented as the method by which Sai led his faithful devotees toward the supreme goal of liberation.