Sincerity the best mark of a good Christian : A sermon preach'd at the assizes held at Kingston upon Thames, July 10, 1727. Before the Right Honourable the Ld. Chief Justice Eyre, and Mr. Justice Denton. Wherein the nature, duty and great blessing of sincerity are explain'd and laid open. By Edward Lovell, D.D. rector of St. Mary Rotherhith, and chaplain in Ordinary to His Majesty. Published at the request of the Right Honourable the Lord Onslow, lord lieutenant of the county of Surry; The worshipful Sir Thomas Stevens Knight, high sheriff of the county, and other gentlemen of the grand jury.