Why does the text say that even very learned people can be unhappy and lack knowledge?

Chapter 50 explains that being learned in scriptures or possessing great genius does not guarantee happiness or true knowledge. This is because such individuals can still be trapped by a subtle form of Maya, or ignorance. The text points to the 'great pride within' as a major cause for dissatisfaction, citing the thought, 'there is no other equal to me.' Furthermore, it identifies attachments and desires, such as identifying with the body ('I am the body') and possessions ('mine are wife and home'), as ropes of thirst that bind a person. As Chapter 50 clarifies, even if someone calls themselves a wise 'Pandit,' if they are caught in these egoic delusions, they have 'not even a trace of happiness' and must remove these veils of ignorance to attain true knowledge.