If discrimination based on race is constitutionally permissible when those who hold the reins can come up with "compelling" reasons to justify it, then constitutional guarantees acquire an accordion-like quality.

It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies.

A reporter is no better than his source of information.

Ideas are indeed the most dangerous weapons in the world. Our ideas of freedom are the most powerful political weapons man has ever forged.

When a legislature undertakes to proscribe the exercise of a citizen's constitutional right to free speech, it acts lawlessly; and the citizen can take matters into his own hands and proceed on the basis that such a law is no law at all.

Only when there is a wilderness can man harmonize his inner being with the wavelengths of the earth. When the earth, its products, its creatures, become his concern, man is caught up in a cause greater than his own life and more meaningful. Only when man loses himself in an endeavor of that magnitude does he walk and live with humanity and reverence.

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.