If there is any fixed star in our constitutional constellation, it is that no official, high or petty, can prescribe what shall be orthodox in politics, nationalism, religion, or other matters of opinion, or force citizens to confess by word or act their faith therein. West Virginia State Board of Education v. Barnette (1943).

—Quoted in Ilya Shapiro and Jayme Weber, “Supreme Court’s Big Labor Case Is About Free Speech, Not Unions“