What does Chapter 17 identify as the main obstacles that prevent a person from attaining knowledge and spiritual peace?

Chapter 17 highlights several key obstacles on the spiritual path. The primary hindrance is described as 'beginningless ignorance' or Maya, which is a false imposition that must be dissolved. The chapter also strongly warns against desires for seen and unseen enjoyments, hope, and cravings, stating they must be dug out by the roots. Furthermore, it explicitly names lust and anger as tendencies that instantly disrupt the processes of listening, contemplation, and meditation, thereby preventing the attainment of knowledge. Finally, the text notes that a restless heart and a mind distracted by greed will not find peace, even if one is otherwise considered knowledgeable.