What does Chapter 43 say about the author's role and the importance of devotional practices?

In Chapter 43, the author, Hemad, expresses his complete surrender and devotion to Sai Baba's feet, stating that he is simply sketching the life story. He credits Sai himself for creating the love in devotees' hearts and for increasing the greatness of the story. The chapter also highlights the importance of devotional practices, stating that to purify the inner self and wash away accumulated sins, the remembrance of God's devotees through bhajan or kirtan is the easiest and most effective means, and that other methods are useless.