Dictatorship is rule based directly upon force and unrestricted by any laws. The revolutionary dictatorship of the proletariat is rule won and maintained by the use of violence by the proletariat against the bourgeoisie, rule that is unrestricted by any laws.
Vladimir LeninThe political form of a society wherein the proletariat is victorious in overthrowing the bourgeoisie will be a democratic republic.
Vladimir LeninThe suppression of the bourgeois state by the proletarian state is impossible without violent revolution.
Vladimir Lenin