Under our Constitution, free speech is not a right that is given only to be so circumscribed that it exists in principle, but not in fact. Freedom of expression would not truly exist if the right could be exercised only in an area that a benevolent government has provided as a safe haven for crackpots.

Abraham Fortas (1910–1982) American academic, jurist, lawyer; US Supreme Court Justice (1965–69)

Tinker v. Des Moines Independent Community School District, 393 U.S. 503, 513 (1969) [majority opinion]
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