The text mentions Sai Baba as the "Lord of Yoga." Based on the provided excerpts, describe his character and the spiritual state he embodied.

The text describes Sai Baba's character as one of profound spiritual achievement and tranquility. According to Chapter 4, he is one who has conquered the difficult-to-cross world, with peace being his primary ornament. He is depicted as a "literal storehouse of knowledge" and the "incarnation of the Karna of spiritual knowledge," highlighting his wisdom and generosity. His state of mind is characterized by a complete lack of attachment to perishable things, as his mind is colored with the form of the Self. Chapter 4 states that his only aim is the attainment of the Supreme, and he remains unaffected by joy or sorrow related to worldly progress or decline, embodying a state of perfect equanimity.