Obviously, then, armed with a paint box, one cannot be bored or left at a loose end. How much there is to admire and how little time there is to see it in! For the first time one begins to envy Methuselah. It is interesting to note the part memory plays in painting. When Whistler guided a school in Paris he made his pupils observe their model on the ground floor, and then run upstairs and paint their picture on the floor above. As they became more proficient he put their easels up a story higher, till at last the elite were scampering up six flights into attic.