The level of discourse reaching a mailbox simply cannot be limited to that which would be suitable for a sandbox.

"Respecting" means concerning or with reference to. But it also means with respect~ that is "reverence," "good-will," "regard" to. Taking into account this richer meaning, the Establishment Clause, in banning laws that concern religion, especially prohibits those that pay homage to religion.

When the commission finds that a pig has entered the parlor, the exercise of its regulatory power does not depend on proof the pig is obscene.

As a matter of constitutional tradition, in the absence of evidence to the contrary, we presume that governmental regulation of the content of speech is more likely to interfere with the free exchange of ideas than to encourage it. The interest in encouraging freedom of expression in a democratic society outweighs any theoretical but unproven benefit of censorship.

To show a well-founded fear of persecution, an alien need not prove that it is more likely than not that he or she will be persecuted in his or her home country.

Just as the right to speak and the right to refrain from speaking are complementary components of a broader concept of individual freedom, so also the individual's freedom to choose his own creed is the counterpart of his right to refrain from accepting the creed established by the majority.

Anonymity is a shield from the tyranny of the majority.