The Certainty and necessity of religion in general or, the first grounds and principles of humane duty establish'd in eight sermons preach'd at S. Martins in the Fields at the lecture for the year 1697, founded by the honourable Robert Boyle, Esquire. This book, "The Certainty and necessity of religion in general or, The first grounds and principles of humane duty establish'd", by Francis Gastrell, is a replication of a book originally published before 1703. 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.