But we know that freedom cannot be served by the devices of the tyrant. As it is an ancient truth that freedom cannot be legislated into existence, so it is no less obvious that freedom cannot be censored into existence. And any who act as if freedoms defenses are to be found in suppression and suspicion and fear confess a doctrine that is alien to America.
"Public Papers of the Presidents of the United States: Dwight D. Eisenhower, 1957". Book by United States Government Printing Office, 1999.