“‘I believe that I have a right to sit here,’ I said quietly. ‘If I sit in the back of the bus I am depriving that child—' I pointed to a little white child of five or six—‘of the knowledge that there is injustice here, which I believe it is his right to know. It is my sincere conviction that the power of love in the world is the greatest power existing. If you have a greater power, my friend, you may move me.’”