There are two kinds of success to be won. In the first place, there is success in doing the thing that can only be done by the exceptional man. Therefore most of us can not achieve this kind of success. It comes only to the man who has very exceptional qualities. The other kind, a very, very high kind, is the ordinary kind of success, the success that comes to the man who does the things which most men could do, but which they do not do; which comes to the man who develops or possesses to a higher degree the qualities that all of us have to a greater or less extent. In the history of the world some of the men who stand high who stand in all but the very highest places are those who have not possessed any wonderful genius in statecraft, war, art, literature in whatever calling; but who have developed within themselves, by long, patient effort, resolutely maintained in spite of repeated failure, the ordinary, everyday, humdrum qualities of courage, of resolution, of proper appreciation of the relative importance of things; of honesty, of truth, of good sense, of unyielding perseverance. We can each one of us develop to a very high degree these qualities; and if we do so develop them, each one of us is sure of a measure of success [...].
Theodore Roosevelt