Can you explain the spiritual progression from devotion to self-knowledge as detailed in Chapter 46?

Chapter 46 outlines a clear spiritual trajectory that begins with devotion and culminates in self-knowledge. The process starts with the chanting of Sai's name, which purifies the mind by diminishing 'Rajas' and 'Tamas' and increasing 'Sattva'. This purity awakens a righteous disposition ('Dharma'). As mentioned in the chapter, when this righteous nature is awakened, detachment from worldly subjects naturally follows. This detachment, in turn, allows self-knowledge to manifest instantly. When this knowledge is combined with 'Viveka' (discrimination), one's focus remains on their true self. Chapter 46 calls this state of complete surrender at the Guru's feet 'Gururpan,' which is characterized by an inclination towards peace and devotion.