The great and invigorating influences in American life have been the unorthodox: the people who challenge an existing institution or way of life, or say and do things that make people think.

It is better, so the Fourth Amendment teaches us, that the guilty sometimes go free than the citizens be subject to easy arrest.

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.

The most important aspect of freedom of speech is freedom to learn. All education is a continuous dialogue - questions and answers that pursue every problem on the horizon. That is the essence of academic freedom.

No patent medicine was ever put to wider and more varied use than the Fourteenth Amendment.

The right to revolt has sources deep in our history.

The First and Fourteenth Amendments say that Congress and the States shall make "no law" which abridges freedom of speech or of the press. In order to sanction a system of censorship I would have to say that "no law" does not mean what it says, that "no law" is qualified to mean "some" laws. I cannot take this step.