"Speaking of Rousseau, do you know Richard Wallace's [owner of a] Rousseau? ['The forest of Fontainebleau': Morning, a landscape, with cattle drinking, c. 1850] An edge of a wood in the autumn after rain, with a vista of meadows stretching away endlessly, marshy, with cows in them, the foreground rich in tone. To me that's one of the finest — is very like the one with the red sun in the Luxembourg ['The edge of the forest of Fontainebleau, at sunset', c. 1849]. The dramatic effect of these paintings is something that helps us to understand 'a corner of nature seen through a temperament' ["