What are the main teachings in Chapter 17 of Sai Satcharitra regarding the paths of Shreya and Preya?

Chapter 17 of the Sai Satcharitra primarily explains the distinct characteristics of Shreya, the path of salvation and good, and Preya, the path of worldly joy and pleasure. The text describes them as being opposite in nature, like light and darkness. As this chapter details, Shreya is the form of wisdom and pure knowledge (Vidya), while Preya represents ignorance (Avidya). A person whose mind gravitates toward Preya, driven by cravings for worldly objects, falls away from their true self-interest. The wise, however, are able to discriminate and choose the path of Shreya, which is the true purpose of human life.