What is the central message of Chapter 46 regarding Sai Baba's nature and his connection with devotees?

Chapter 46 of the Sai Satcharitra describes Sai Baba's subtle yet powerful presence. It explains that even though His physical form may be invisible, His spirit residing in the Samadhi is awake and provides immediate experiences for devotees. He is depicted as holding a subtle string, pulling His followers towards Him from anywhere in the world and nourishing them with love like a mother. The chapter emphasizes that while He performs everything, He flies the flag of detachment and calls Himself a non-doer, highlighting a divine character that is ultimately beyond human comprehension.