Progress is the result, not so much of sudden flights of genius, as of sustained, patient, often commonplace endeavor; and the true lesson of scientific history lies in the close connection which it discloses between the most brilliant developments of knowledge and the faithful accomplishment of his daily task by each individual thinker and worker.
A Popular History of Astronomy During the Nineteenth Century, Part I, Chapter VI (p. 108), A. & C. Black. 1908