Chapter 17 describes a turning point where a person begins to seek Shreya. What triggers this shift, and what is the role of human effort (Purushartha) in this process?

As detailed in Chapter 17, the shift towards seeking Shreya is triggered by immense suffering. When a person becomes exhausted by enduring the three unendurable torments of worldly existence (Samsara), they begin to search for a way to stop this painful cycle. The text states that when this thought arises by great fortune, true manhood (Purushartha) is born. The role of human effort is then to consciously choose the means for one's own self-interest. This involves discarding Preya to honor Shreya, which is called the true purpose of human life, and strengthening one's intellect to struggle for this higher path.