The necessity of duly executing the laws against immorality and profaneness : Set forth, in a sermon preach'd at the Assizes held at Lancaster, before the Honourable Sit Lawrence Carter, knt. one of the barons of His Majesty's Court of Exchequer. By John Clayton, A.M. late of Brazen-Nose College, Oxon. Published at the request of the high sheriff and the gentlemen of the grand jury.