Idealism is like a castle in the air if it is not based on a solid foundation of social and political realism.
Source: Out of the War Years: Lincoln, Apostle of a New America, in New Leader, 13 Feb 1943.
-- Claude McKay, (Sep 15 1889-1984), Jamaican-US poet, novelist; His Harlem Shadows was one of the inaugural works of file Harlem Renaissance; his novels include Home to Harlem and Banana Bottom.