According to Chapter 32, what is the importance of a Guru's grace in attaining knowledge?

Chapter 32 places immense importance on the role of a Guru. The text explicitly states that even if one has exhaustively studied the Vedas, Vedangas, and other scriptures, true knowledge remains unattainable without the Guru's grace. All such scholarly learning is dismissed as "mere chaff" in the absence of this divine grace. The chapter emphasizes this point just before introducing the profound metaphor of the tree of worldly existence, suggesting that only the Guru's guidance can help one transcend this complex, perishable existence. As the text from Chapter 32 beautifully puts it, "the words from Maharaj Sai's mouth cause one to see one's own Guru," highlighting the Guru as the key to destroying ignorance.