Henry Steele Commager said this quote

A free society cherishes nonconformity. It knows that from the non-conformist, from the eccentric, have come many of the great ideas of freedom. A free society fertilizes the soil in which non-conformity and dissent and individualism can grow.

~ Henry Steele Commager

Men in authority will always think that criticism of their policies is dangerous. They will always equate their policies with patriotism, and find criticism subversive.

~ Henry Steele Commager

The fact is that censorship always defeats its own purpose, for it creates, in the end, the kind of society that is incapable of exercising real discretion.

~ Henry Steele Commager