Quotation:

 Miguel de Cervantes Saavedra quotes (Spanish writer, author of the masterwork 'El quijote', 1547-1616)

 Donald Rumsfeld quotes (American Secretary of Defense)

 Robert Louis Stevenson quotes (Scottish Essayist, Poet and Author of fiction and travel books, 1850-1894)

 Miguel de Cervantes Saavedra quotes (Spanish writer, author of the masterwork 'El quijote', 1547-1616)

 Miguel de Cervantes Saavedra quotes (Spanish writer, author of the masterwork 'El quijote', 1547-1616)

 W. Clement Stone quotes (American best selling Author and Founder of Combined Insurance Co (now a part of Aon Corp.), 1902-2002)

 Miguel de Cervantes Saavedra quotes (Spanish writer, author of the masterwork 'El quijote', 1547-1616)

 Miguel de Cervantes Saavedra quotes (Spanish writer, author of the masterwork 'El quijote', 1547-1616)

 Daniel H. Burnham quotes (American architect and urban planner 1846-1912)

 Peter F. Drucker quotes (American Educator and Writer, b.1909)