Natural religion insufficient, and Revealed necessary, to man's happiness in his present state or, a rational enquiry into the principles of the modern deists to which is added, an essay on the true grounds of faith This book, "Natural religion insufficient, and Revealed necessary, to man's happiness in his present state. Or, a rational enquiry into the principles of the modern deists to which is added, an essay on the true grounds of faith", by Thomas Halyburton, is a replication of a book originally published before 1798. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.