There is a fuzzy but real distinction that can and I believe should be made, between patriotism, which is attachment to a way of life, and nationalism, which is the insistence that your way of life deserves to rule over other ways of life. ↗
To this day I always insist on working out a problem from the beginning without reading up on it first, a habit that sometimes gets me into trouble but just as often helps me see things my predecessors have missed. ↗