Compulsion in religion is distinguished peculiarly from compulsion in every other thing. I may grow rich by art I am compelled to follow, I may recover health by medicines I am compelled to take against my own judgment, but I cannot be saved by a worship I disbelieve & abhor.

Notes on Religion (October 1776), published in The Works of Thomas Jefferson in Twelve Volumes, Federal Edition, Paul Leicester Ford, ed., New York: G. P. Putnam's Sons, 1904, Vol. 2, p. 266.