“We must ever 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…I have a dream that every valley shall be exalted, and every hill and mountain shall be made low, the rough places will be made plain and the crooked places will be made straight and the glory of the Lord shall be revealed and all flesh