The obligation of doing as we would be done by, recommended from the consideration of its excellency, in creating peace in the mind, and establishing happiness among all communities of men : A sermon preached in the Parish Church of St. Andrew, Holborn, on January the 30th, 1755, being the day appointed to be observed as the anniversary of the martyrdom of King Charles the First. By the Reverend Mr. Smith, preacher of the Sunday morning lecture at St. Giles's, Cripplegate, and the Thursday afternoon lecture in the same church. The sixth edition, to which are added, some observations on the usefulness of reason in matters of religion.