Based on the provided text, what were the defining characteristics of Sai Baba?

According to Chapter 4, Sai Baba's character was defined by profound peace and wisdom. He is described as one who had 'conquered this world,' which is noted to be very difficult to cross. His primary ornament was peace, and he was considered a 'literal storehouse of knowledge.' The text highlights his immense generosity, calling him 'the most generous of the generous' and the 'incarnation of the Karna of spiritual knowledge.' Furthermore, Sai Baba demonstrated complete detachment from worldly matters, having no love for perishable things and feeling no joy or sorrow for worldly progress or decline, as his mind was focused solely on the attainment of the Supreme Self.