Based on Chapter 17, what are the primary obstacles that prevent a person from choosing the path of Shreya and attaining true knowledge?

Chapter 17 details several significant obstacles that hinder a person's ability to choose Shreya, the path of salvation. A primary obstacle is beginningless ignorance, or Maya, which is a false imposition like a mirage. The text also identifies desires for seen and unseen enjoyments, hope, and cravings as root problems that must be dug out. Furthermore, the chapter explicitly names lust and anger as tendencies that disrupt the crucial spiritual practices of listening, contemplation, and meditation. Finally, it notes that a restless heart, an unsatisfied mind, and distraction by the greed of the senses will prevent even a learned person from finding peace or attaining knowledge.