Based on Chapter 16, what are the pitfalls a seeker must avoid on the spiritual path, and what is the ultimate remedy?

According to Chapter 16, a seeker must avoid the pitfalls of 'cleverness' (Chaturai) and any neglect in the service of the Guru, as these will lead to trouble. The chapter strongly advises that firm faith at the Guru's feet is absolutely necessary. The ultimate remedy prescribed is complete surrender. The text explains that a disciple often does not recognize their own pitfalls, but the Guru, when surrendered to, unknowingly provides the necessary remedy. Chapter 16 posits that serving the Guru with faith is the path to 'Sayujya' (union with Brahman), and all other means will fail without this humble service and complete surrender.