The religion of an oath : Plain directions how the duty of swearing, may be safely managed, when it is justly demanded. And strong persuasives to avoid the perils of perjury. Concluding with a most solemn explanation of an oath, which the laws of Denmark have provided for the consideration of them, whom an oath is propos'd unto. Published at the desire of some, who apprehend oaths to be too frequently and faultily trifled with.