How does Chapter 19 describe the nature of Sai and the author's devotion?

Chapter 19 of the Shri Sai Satcharitra portrays Sai as the ultimate reality, Brahman, who resides in everything from the smallest atom to the vast universe, being "subtler than the subtlest and greater than the greatest." The author expresses a desire to give this Supreme Reality a form to behold. This devotion is compared to a worshipper of the Sun performing Aarti with a small wick or offering a palmful of ocean water back to the ocean. The chapter explains that powerful entities like the Sun and Ocean look at the devotee's faith rather than the scale of the offering, as their goal is to honor the devotee.