"At a time like this, scorching irony, not convincing argument, is needed. O! had I the ability, and could reach the nation’s ear, I would, to-day, pour forth a stream, a fiery stream of biting ridicule, blasting reproach, withering sarcasm, and stern rebuke. For it is not light that is needed, but fire; it is not the gentle shower, but thunder. We need the storm, the whirlwind, the earthquake. The feeling of the nation must be quickened; the conscience of the nation must be roused; the propriety of the nation must be startled; the hypocrisy of the nation must be exposed; and the crimes against God and man must be proclaimed and denounced..."
January 1, 1970
https://en.wikiquote.org/wiki/What_to_the_Slave_Is_the_Fourth_of_July%3F