Free societies...are societies in motion, and with motion comes tension, dissent, friction. Free people strike sparks, and those sparks are the best evidence of freedom's existence.
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems - but as you approach the present, it inevitably seems more and more incredible.
Make as much racket as you like people. Noise is life and an excess of noise is a sign that life is good. There will be time for us all to be quiet when we are safely dead.