"Everything within the Revolution, nothing outside of it." (Fidel Castro speech, June, 1961.)
"Everything within the state, nothing outside the state, nothing against the state." (Benito Mussolini, Doctrine of Fascism, 1932.)
In his famous speech on June 16, 1961 Fidel Castro, whose KGB-designed jails and torture chambers at the time incarcerated one of every 19 Cubans for political "crimes," was warning the rest of his subjects how they might stay out of them. In particular he was setting the boundaries of "artistic freedom." If your prose or poetry or films or journalism served the purposes of the totalitarian regime you were probably safe. Otherwise...?