How does Chapter 32 emphasize the importance of a Guru's grace in attaining true knowledge?

Chapter 32 strongly emphasizes that a Guru's grace is indispensable for attaining true knowledge, regardless of one's scholarly achievements. The text explicitly states that even if one has mastered the Vedas, Vedangas, and other scriptures, all that learning is mere "chaff" without the grace of a Guru. This chapter posits that the words from Sadguru Sainath's own mouth have the power to destroy sins and afflictions, similar to the purifying sight of the Ganga river. Ultimately, the narrative in Chapter 32 suggests that listening to the Guru's words with a ready mind is the true path to wisdom, as it is only through Guru's grace that one can see past the illusion of worldly existence and attain genuine spiritual insight.