Read the excerpt from martin luther king jr.’s "i have a dream” speech. we must forever conduct our struggle on the high plane of dignity and discipline. we must not allow our creative protest to degenerate into physical violence. again and again, we must rise to the majestic heights of meeting physical force with soul force. king’s use of repetition in the excerpt stresses his a. desire for political power. b. deep religious faith. c. plea for peaceful action. d. physical strength.