History is a kind of introduction to more interesting people than we can possibly meet in our restricted lives; let us not neglect the opportunity. (Dexter Perkins)
Very few things happen at the right time, and the rest do not happen at all: the conscientious historian will correct these defects. (Herodotus, The History of Herodotus)
History is the sum total of the things that could have been avoided. (Konrad Adenauer)
History is the action and reaction of these two, nature and thought - two boys pushing each other on the curbstone of the pavement. (Ralph Waldo Emerson, The Conduct of Life: Fate)