The civil state of the nations, being merely and essentially civil, cannot (Christianly) be called "Christian states," after the pattern of that holy and typical land of Canaan, which I have proved at large in the Bloudy Tenent to be a nonesuch and an unparalleled figure of the spiritual state of the church of Christ Jesus, dispersed yet gathered to Him in all nations. The civil sword (therefore) cannot (rightfully) act either in restraining the souls of the people from worship, etc., or in constraining them to worship, considering that there is not a tittle in the New Testament of Christ Jesus that commits the forming or reforming of His spouse and church to the civil and worldly powers...
— ROGER WILLIAMS (THEOLOGIAN)