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 "Jock" Stein was a Scottish football player and manager. He became the first manager of a British side to win the European Cup, with Celtic in 1967.
