""The Unreasonableness of Separation"" is a book written by Edward Stillingfleet in 1681. The book provides an impartial account of the history, nature, and reasons behind the present separation from the communion of the Church of England. Stillingfleet argues against the separation of dissenters from the Church of England, claiming that it is unreasonable and unfounded. The book is a response to the growing dissenting movement in England at the time,...