You could read Kant by yourself, if you wanted; but you must share a joke with someone else.
Robert Louis Stevenson (1850–1894) Scottish essayist, novelist, poet
Essay (1876-08), “Virginibus Puerisque, Part 1,” Cornhill Magazine, Vol. 34
(Source)
Collected in Virginibus Puerisque and Other Papers, ch. 1, part 1 (1881).

