It was under a solemn consciousness of the dangers from ecclesiastical ambition, the bigotry of spiritual pride, and the intolerance of sects... that is was deemed advisable to exclude from the national government all power to act upon the subject.
Joseph Story (1833). “Commentaries on the Constitution of the United States: With a Preliminary Review of the Constitutional History of the Colonies and States, Before the Adoption of the Constitution”, p.702