Will I be condemned to death for discussing a life that contains, like the lives of all of us, an inviolable secret? I am desperately trying to discover in the girl's existence at least one bright topaz. (3.103)
Here's a mysterious and beautiful gem (ha, ha) of a quote. The narrator wants to find some shining gem in Macabéa's dark existence, and it seems like he finds it right before she dies, when she vomits her pointed star—her inner, inviolable light.