What was Baba's constant advice to his devotees, and what is the purpose of this book according to the text?

According to the guidance provided in Chapter 17, Baba's constant advice was for devotees to not worry in the least and to always be full of joy, even until the end of their lives. This chapter emphasizes that Baba himself acted on the principle of speaking good words and doing good to others. The text further clarifies that the purpose of the book is to present what pleases the general public, acting as a boat to help one cross the ocean of existence. By contemplating and meditating on these stories, devotees can find refuge in Sai and understand the principle of Brahman, which is bliss.