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: Andrew Carnegie was a Scottish-American industrialist who led the enormous expansion of the American steel industry in the late 19th century. He built a leadership role as a philanthropist for the United States and the British Empire.