I do not agree with what you have to say, but I'll defend to the death your right to say it.
As I start a new term teaching journalism, this quote has played repeatedly through my mind. For me, it epitomizes what journalism and education, at their very foundation, are about: the right to free, full self-expression—including the right to offend. Why? Because whatever is seriously interesting usually offends somebody at some point. It's the ideas that jar us which stimulate discussion.