But King saw these causes as inextricably linked. A few days after the speech, he was captured on an FBI surveillance tape in a heated debate with his friend Stanley Levison. Levison worried the speech was a disaster that played into the hands of their critics. King was resolute in response. “I figure I was politically unwise but morally wise. I think I have a role to play which may be unpopular.” That quote is as elegant a definition of dissent as you are likely to find.