"[at Daubigny's place where] ..animated conversations on the direct study of nature or the comparative merits of Haarlem paint driers and thick oil paints were often interrupted bu bursts of merriment greeting a witticism of one of the guests, who included non other than Corot, Daumier, Geoffroy-Dechaume, etc.."
January 1, 1970
https://en.wikiquote.org/wiki/Charles-Fran%C3%A7ois_Daubigny