We know very well that we are only allowed to go on eating our dinner, to finish seeing the new play, or to enjoy to the end the ball, the Christmas fete, the promenade, the races or, the hunt, thanks to the policeman's revolver or the soldier's rifle, which will shoot down the famished outcast who has been robbed of his share, and who looks round the corner with covetous eyes at our pleasures, ready to interrupt them instantly, were not policeman and soldier there prepared to run up at our first call for help.