What philosophical perspective on happiness and suffering is presented in Chapter 14 through Ratanji's story?

Chapter 14 uses Ratanji's situation to explore the theme that no one experiences 'unmixed happiness.' It suggests this is part of a 'divine plan' to prevent arrogance. Ratanji, despite being outwardly wealthy and successful, was internally tormented by the 'crocodile of a difficult inner worry'—his lack of a son. The chapter employs several analogies, comparing a household without a son to 'Hari-kirtan without love' or a 'pilgrimage without repentance,' to emphasize that material prosperity is meaningless without certain fundamental fulfillments. This narrative suggests that underlying worries serve a purpose, keeping individuals humble and encouraging them to seek spiritual grace rather than relying solely on worldly success.