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 Hall Gladstone was a British chemist. He served as President of the Physical Society between 1874 and 1876 and during 1877 1879 was President of the Chemical Society.
