There is not a truth to be gathered from history more certain, or more momentous, than this: that civil liberty cannot long be separated from religious liberty without danger, and ultimately without destruction to both. Wherever religious liberty exists, it will, first or last, bring in and establish political liberty.

A discourse pronounced at the request of the Essex Historical Society on the 18th of September, 1828 (ed. Hilliard, Gray, Little and Wilkins, 1828)