The duty of speaking truth : Recommended in a sermon preach'd at the Lent-Assizes, holden at Chelmsford in Essex, March 15, 1715-6. Before the Honourable Mr. Justice Tracy. By R. Skerret, M.A. lecturer of St. Peter's-Cornhill, rector of Oakly in the county of Suffolk, and chaplain to the Right Honourable the Lord Mayor. Published at the request of the high-sheriff and the gentlemen of the grand inquest.