Edison was by far the most successful and, probably, the last exponent of the purely empirical method of investigation. Everything he achieved was the result of persistent trials and experiments often performed at random but always attesting extraordinary vigor and… — Nikola Tesla Copy Share Image
“Beware the purists, the doctrinaires. It has been by the empirical method largely, by way of trial and error, that we have come so far. America itself is an experiment and we must bear that always in mind.” — David McCullough Copy Share Image
