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: Colin Blackburn, Baron Blackburn was a Scottish judge who sat in the English courts, became a Law Lord and is remembered as one of the greatest exponents of the common law.