What does the source material say about Sai Baba's personal character and his detachment from worldly affairs?

Chapter 4 offers a detailed description of Sai Baba's character, emphasizing his profound detachment from the material world. It states that He has "conquered this world, which is very difficult and hard to cross," and that His primary ornament is peace. He is described as a "storehouse of knowledge" and the "most generous of the generous." The text highlights that Sai had no love for perishable things, as His mind was completely colored with the form of the Self. His ultimate aim was the attainment of the Supreme, and consequently, He felt no joy or sorrow for worldly progress or decline, or even for matters concerning the hereafter.