How does Chapter 48 distinguish between a teacher with only verbal knowledge and a genuine Sadguru?

Chapter 48 draws a sharp distinction between a teacher with mere verbal knowledge and an authentic Sadguru by focusing on the element of direct experience. The text describes those with only verbal knowledge as having a "total lack of self-experience," which renders their knowledge "verbally hollow." In contrast, a true Sadguru is defined as someone who not only possesses complete verbal knowledge but is also a "giver of direct, full experience." As Chapter 48 powerfully asserts, someone who has no direct experience themselves has nothing of true value to give a disciple and should never be called a Sadguru.