Prime Minister of the United Kingdom, 1940–1945 and 1951–1955; Member of Parliament 1900–1964
First of all, you can correct mistakes much more easily. One sweep of the palette-knife 'lifts' the blood and tears of a morning from the canvas and enables a fresh start to be made; indeed the canvas is all the better for past impressions.
Essay first published in the Strand Magazine in 1921–22 and collected in Amid These Storms, 1932, Winston S. Churchill, Painting as a Pastime, Project Gutenberg Canada, 1932 source ↗