No Religion, No Character of Enmity

"As the Government of the United States of America is not, in any sense, founded on the Christian religion; as it has in itself no character of enmity against the laws, religion, or tranquility, of Mussulmen; and, as the said States never entered into any war, or act of hostility against any Mahometan nation, it is declared by the parties, that no pretext arising from religious opinions, shall ever produce an interruption of the harmony existing between the two countries."
- From the Treaty of Tripoli, ratified unanimously by the US Senate 7 Jun 1797 and signed by President John Adams 10 June 1797 (via a post by an FB friend).