Can you summarize the main concepts discussed in Chapter 17 of the Sai Satcharitra?

Chapter 17 primarily explains the fundamental difference between two life paths: Shreya, the path of salvation and wisdom, and Preya, the path of worldly joy and ignorance. The text compares them to light and darkness, emphasizing their opposite natures. As detailed in this chapter, a wise person, like a swan separating milk from water, will choose Shreya. Conversely, a dull-witted person, entangled in worldly concerns like wealth and status, is conquered by and embraces Preya. The true purpose of human life is presented as the act of discarding Preya to honor Shreya.