A Discourse Concerning Unlimited Submission and Non-Resistance to the Higher Powers: With Some Reflections on the Resistance Made to King Charles I. And on the Anniversary of His Death: In Which the Mysterious Doctrine of the Princes' Saintship and Martyrdom Is Unriddled: The Substance of Which Was Delivered in a Sermon Preached in the West Meeting-House in Boston the Lord's-Day After the 30th of January, 1749/50