books.google.co.uk - No phrase in American letters has had a more profound influence on church-state law, policy, and discourse than Thomas Jefferson's "wall of separation between church and state," and few metaphors have provoked more passionate debate. Introduced in an 1802 letter to the Danbury, Connecticut Baptist Association,...http://books.google.co.uk/books/about/Thomas_Jefferson_and_the_Wall_of_Separat.html?id=aSg20UE2DHgC&q=U.S.+Constitution&utm_source=gb-gplus-shareThomas Jefferson and the Wall of Separation Between Church and State
