Chapter 24 states that 'people are blind despite having eyes.' How does the text elaborate on this spiritual blindness and its cause?

In Chapter 24, the statement that people are 'blind despite having eyes' refers to a spiritual blindness caused by strong body-consciousness. The text explains that this attachment to the physical self prevents individuals from understanding their own true welfare. People become preoccupied with chasing the 'juice of a momentary pleasure,' forgetting the transient nature of the body, which has 'no certainty of it for even a moment.' This focus on fleeting, worldly desires, rooted in body-consciousness, is the source of the spiritual blindness described in this chapter.