"These examples and many others demonstrate an alarming trend whereby the privacy and dignity of our citizens is being whittled away by sometimes imp… - William O. Douglas

A person may be convicted for making a speech or for pamphleteering if a judge rules ex post facto that the speaker or publisher created a ‘clear and present danger’ that his forbidden or revolutionary thesis would be accepted by a least some of the audience.

The dissent we witness is a reaffirmation of faith in man; it is protest against living under rules and prejudices and attitudes that produce the extremes of wealth and poverty and that make us dedicated to the destruction of people through arms, bombs, and gases, and that prepare us to think alike and be submissive objects for the regime of the computer.

Restriction of free thought and free speech is the most dangerous of all subversions. It is the one un-American act that could most easily defeat us.