The further limits to freedom of expression
We are told that the right to free speech does not extend to shouting ‘Fire!’ in a crowded cinema.
To that we can add that if someone does shout ‘Fire!’ that does not give you the right to start one.
Mark Waters marked time at 6:06 pm on February 5th, 2006 .

You might be interested in where that now-ubiquitous phrase first gained fame: http://www.threemonkeysonline.com/blogs/shane_barry/archives/2006/02/point_of_order.php