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: John Joseph Ambrose Curtin was the 14th Prime Minister of Australia, serving from 1941 to 1945, and the Leader of the Labor Party from 1935 to 1945.