What is the 'Vag-yagna' or 'speech-sacrifice' mentioned in Chapter 45, and what is the author's attitude in presenting it?

In Chapter 45, the author refers to the creation and narration of the Shri Sai Satcharitra as a 'Vag-yagna,' which translates to a speech-sacrifice. This term frames the devotional act of writing and sharing Sai's stories as a sacred offering. The author exhibits profound humility throughout this passage, describing himself as having 'little knowledge' compared to the wise listeners. He requests that this speech-sacrifice, which he attributes to the Guru's will, be accepted with a grateful heart. The attitude conveyed in Chapter 45 is that of a humble instrument, acknowledging that the Guru is the true force completing this sacred work.