By being happy, we sow anonymous benefits upon the world, which remain unknown even to ourselves, …
Our note: From Stevenson's essay defending leisure.
Verified in the full text of An Apology for Idlers on Project Gutenberg · Project Gutenberg ebook #386 · Collected in Virginibus Puerisque, and Other Papers
Painted the same decade: The Daughters of Catulle Mendès, Huguette (1871–1964), Claudine (1876–1937), and Helyonne (1879–1955), Auguste Renoir, 1888