If a man is called to be a street sweeper, he should sweep streets even as Michelangelo painted, or Beethoven composed music, or Shakespeare wrote poetry. He should sweep streets so well that all the hosts of heaven and earth will pause to say, here lived a great street sweeper who did his job well.
Returning violence for violence multiplies violence, adding a deeper darkness to a night already devoid of stars. Darkness cannot drive out darkness: only love can do that. Hate cannot drive out hate: only love can do that.