Motion pictures are of course ...

Motion pictures are of course a different medium of expression than the public speech, the radio, the stage, the novel, or the magazine. But the First Amendment draws no distinction between the various methods of communicating ideas.
 William O. Douglas

Quotes from the same author

No matter what the legislature may say, a man has the right to make his speech, print his handbill, compose his newspaper, and deliver his sermon without asking anyone's permission. The contrary suggestion is abhorrent to our traditions.
 William O. Douglas
The Court's great power is its ability to educate, to provide moral leadership.
 William O. Douglas
I have the same confidence in the ability of our people to reject noxious literature as I have in their capacity to sort out the true from the false in theology, economics, or any other field.
 William O. Douglas
Man must be able to escape civilization if he is to survive. Some of his greatest needs are for refuges and retreats where he can recapture for a day or a week the primitive conditions of life.
 William O. Douglas
The people, the ultimate governors, must have absolute freedom of, and therefore privacy of, their individual opinions and beliefs regardless of how suspect or strange they may appear to others. Ancillary to that principle is the conclusion that an individual must also have absolute privacy over whatever information he may generate in the course of testing his opinions and beliefs.
 William O. Douglas