What kind of specific conduct and attitudes does Chapter 12 advise spiritual seekers to avoid?

Chapter 12 offers pointed advice on behaviors to avoid for spiritual progress. It warns seekers not to harbor the "pretense of caste pride" or become negligent in the duties related to their class and stage of life (Varnashram Dharma). A significant warning is directed at those who are "intoxicated with the pride of knowledge," especially those well-versed in the Vedas who use their learning to obstruct the path of devotion. The chapter advises not to keep the company of such individuals. Essentially, it cautions against any form of pride, whether from caste or intellect, that hinders pure, simple devotion.