... play violent games, ought to be as natural to the girl as to the boy. All this is fast changing for us, and for the better. When I see young girls sweating from a good row or the tennis-field, I know that it is preventive medicine. I wish I saw how to widen these useful habits so as to give like chances to the poor, and I trust the time will come when the mechanic and the laborer shall insist on public play-grounds as the ... — Doctor and Patient • S. Weir Mitchell