Everyone confesses in the abstract that exertion which brings out all the powers of body and mind is the best thing for us all; but practically most people do all they can to get rid of it, and as a general rule nobody does much more than circumstances drive them to do.
Bio: Robert Biswas-Diener is a positive psychologist, author and instructor at Portland State University. Biswas-Diener's father is Ed Diener, a psychologist.
