— from the First Amendment to the U.S. Constitution
"... no religious Test shall ever be required as a Qualification to any Office or public Trust under the United States."
— from Article VI of the U.S. Constitution
"The Government of the United States is not in any sense founded on the Christian religion."
— from The Treaty of Tripoli, written during the administration of President George Washington, signed by President John Adams, and unanimously approved by the Senate in 1797
"E Pluribus Unum" (Out of many, one)
— The original national motto