From 1791 to the present," however, the First Amendment has “permitted restrictions upon the content of speech in a few limited areas,” and has never “include[d] a freedom to disregard these traditional limitations.” Id., at 382-383. These “historic and traditional categories long familiar to the bar,” Simon & Schuster, Inc. v. Members of N. Y. State Crime Victims Bd., 502 U. S. 105, 127 (1991) (Kennedy, J., concurring in judgment)–including obscenity, Roth v. United States, 354 U. S. 476, 483 (1957), defamation, Beauharnais v. Illinois, 343 U. S. 250, 254-255 (1952), fraud, Virginia Bd. of Pharmacy v. Virginia Citizens Consumer Council, Inc., 425 U. S. 748, 771 (1976), incitement, Brandenburg v. Ohio, 395 U. S. 444, 447-449 (1969) (per curiam), and speech integral to criminal conduct, Giboney v. Empire Storage & Ice Co., 336 U. S. 490, 498 (1949)–are “well-defined and narrowly limited classes of speech, the prevention and punishment of which have never been thought to raise any Constitutional problem.” Chaplinsky v. New Hampshire, 315 U. S. 568, 571-572 (1942)…
But we are unaware of any similar tradition excluding depictions of animal cruelty from “the freedom of speech” codified in the First Amendment, and the Government points us to none.
The Government contends that "historical evidence" about the reach of the First Amendment is not "a necessary prerequisite for regulation today," Reply Brief 12, n. 8, and that categories of speech may be exempted from the First Amendment's protection without any long-settled tradition of subjecting that speech to regulation. Instead, the Government points to Congress's " 'legislative judgment that ... depictions of animals being intentionally tortured and killed [are] of such minimal redeeming value as to render [them] unworthy of First Amendment protection,' " Brief for United States 23 (quoting 533 F. 3d, at 243 (Cowen, J., dissenting)), and asks the Court to uphold the ban on the same basis. The Government thus proposes that a claim of categorical exclusion should be considered under a simple balancing test: "Whether a given category of speech enjoys First Amendment protection depends upon a categorical balancing of the value of the speech against its societal costs." Brief for United States 8; see also id., at 12.
As a free-floating test for First Amendment coverage, that sentence is startling and dangerous. The First Amendment's guarantee of free speech does not extend only to categories of speech that survive an ad hoc balancing of relative social costs and benefits. The First Amendment itself reflects a judgment by the American people that the benefits of its restrictions on the Government outweigh the costs. Our Constitution forecloses any attempt to revise that judgment simply on the basis that some speech is not worth it. The Constitution is not a document "prescribing limits, and declaring that those limits may be passed at pleasure." Marbury v. Madison, 1 Cranch 137, 178 (1803).