It means if you can’t feel what’s the point in living but this quote is to be interpreted
A line is a path through space.
Hope this helps :)
'Illuminated manuscripts were created using delicate, natural materials, such as gold leaf, silverpoint, vellum, and bright, mineral-derived paints. Each manuscript was carefully illustrated, gilded, and written by hand, requiring a high degree of craftsmanship' - Google Answer:
Explanation: