[...] One night, during a trip abroad, in the fall of 1903, I recall kneeling on my (flattish) pillow at the window of a sleeping car (probably on the long-extinct Mediterranean Train de Luxe, the one whose six cars had the lower part of their body painted in umber and the panels in cream) and seeing with an inexplicable pang, a handful of fabulous lights that beckoned to me from a distant hillside, and then slipped into a pocket of black velvet: diamonds that I later gave away to my characters to alleviate the burden of my wealth. [...]