The Law is as much a Rule to Her, as to the least of Those who obey her; the fixt Measure, not only of Her governing Power, but even of Her Will to govern; and She makes no other Use of that Power, with which the Laws have invested Her, than to give Life and Force to them.
Source, in full
The Duty of Publick Intercession and Thanksgiving for Princes. A Sermon Preach'd before the Honourable House of Commons at St. Margaret's, Westminster, on Wednesday, March 8, 1704, in Francis Atterbury, Sermons and Discourses on Several Subjects and Occasions, Vol. I (1740), p. 302