Government...may not be hostile to any religion or to the advocacy of no-religion; and it may not aid, foster, or promote one religion or religious theory against another... The First Amendment mandates governmental neutrality.
Abe FortasIt can hardly be argued that either students or teachers shed their constitutional rights to freedom of speech or expression at the schoolhouse gate.
Abe FortasDissent and dissenters have no monopoly on freedom. They must tolerate opposition. They must accept dissent from their dissent.
Abe Fortas