I have always thought that one man of tolerable abilities may work great changes, and accomplish great affairs among mankind, if he first forms a good plan, and, cutting off all amusements or other employments that would divert his attention, make the execution of that same plan his sole study and business.
Benjamin Franklin, Ulysses S. Grant, Andrew Carnegie, Henry Adams (2016). “Great American Lives: The Autobiography of Benjamin Franklin, Personal Memoirs of Ulysses S. Grant, Autobiography of Andrew Carnegie, and The Education of Henry Adams”, p.110, Open Road Media
