For want of a nail, the shoe was lost; For want of a shoe, the horse was lost; For want of a horse, the rider was lost; For want of a rider, the battle was lost; For want of a battle, the kindgdom was lost; — Benjamin Franklin (1706-90) in "Poor Richard's Almanack," June 1758, The Complete Poor Richard Almanacks, facsimile ed., vol. 2, pp. 375, 377 (1970) “It is much easier to make measurements than to know exactly what you are measuring.” —J. W. N. Sullivan (1928)