Explore the concept of 'self-experience' versus 'verbal knowledge' as it relates to the definition of a Sadguru in Chapter 48.

Chapter 48 of the Sai Satcharitra places immense importance on 'self-experience' as the defining quality of a Sadguru, contrasting it sharply with mere 'verbal knowledge.' The chapter describes verbal knowledge as potentially vast and sweet-sounding, capable of making one feel distaste for worldly enjoyments, but it is ultimately 'verbally hollow' without the backing of direct realization. As the text states, only an experienced person can manifest the pure taste of experience. Therefore, according to Chapter 48, a true Sadguru is one who not only possesses complete verbal knowledge but is also a giver of direct, full experience. The authority to enlighten a disciple comes from this profound self-experience.