According to Sai Baba in this passage, what are the primary benefits of performing a 'Parayana' of a sacred book?

In Chapter 18, when instructing that Sathe's reading should be repeated, Sai Baba outlines the key spiritual benefits of performing a Parayana, or dedicated reading of a sacred text. He states that by engaging in the reading of a Guru's book, devotees are made pure. He continues by explaining that this practice ensures that 'welfare will be achieved.' Furthermore, Baba asserts that such devotion pleases God and, most importantly, serves to break the bonds of worldly existence, leading to spiritual liberation and the fulfillment of a devotee's true longing.