What are the main obstacles to attaining knowledge and peace mentioned in Chapter 17?

Chapter 17 identifies several significant obstacles to attaining knowledge and peace. It highlights that desires for enjoyments, hope, and cravings are primary obstacles that must be dug out by the roots. Furthermore, the text explicitly names lust and anger as tendencies that prevent the attainment of knowledge, as they instantly disrupt the processes of listening, contemplation, and meditation. The chapter also points out that a restless person, whose heart is unsatisfied and whose mind is distracted by the greed of the senses, will not find peace, even if they possess some knowledge, illustrating that a lack of inner control is a major hindrance.