Can you summarize the key philosophical teachings and the main story presented in Chapter 23 of the Sai Satcharitra?

Chapter 23 explains that the soul, deluded by Maya, forgets its true nature of Existence-Consciousness-Bliss (Sacchidananda) and mistakenly identifies with the body. The only way to overcome this is through loving devotion (Bhakti Yoga) at the feet of a Guru like Sai Baba. The chapter narrates the story of a practitioner of Yoga who, despite his learning, couldn't achieve Samadhi. He came to Baba for help but began to doubt Him upon seeing Him eat bread and onions. As Chapter 23 details, Sai Baba, being omniscient, addressed the man's unspoken doubt with a cryptic comment about digesting onions, which caused the Yogi to realize his error, surrender, and ultimately have his doubts resolved.