We are not final because we are infallible, but we are infallible only because we are final.
The day that this country ceases to be free for irreligion, it will cease to be free for religion.
When the Supreme Court moved to Washington in 1800, it was provided with no books, which probably accounts for the high quality of early opinions.
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.
It is not the function of the government to keep the citizen from falling into error; it is the function of the citizen to keep the government from falling into error.