Liberation movements - operating surreptitiously and conspiratorially - thrive on discipline and suspicion, and punish deviation or dissent.
A good, hard-hitting dissent keeps you honest.
It's so easy for propaganda to work, and dissent to be mocked.
Dissent is the highest form of patriotism.
Locking up dissenters does not reduce dissent - it fosters it.
Free societies are societies in which the right of dissent is protected.
The rightful claim to dissent is an existential right of the individual.