I don't advise any one to take it up as a business proposition, unless they really have talent, and are crippled so as to deprive them of physical labor.
Source: Referring to painting. The New York Times, 'How Do I Paint?', 11 May 1947
-- Grandma Moses, (Sep 7 1860-1961), US folk painter; She started painting in her late 70s; best known for her documentary paintings of rural life.