The religion of philosophy or, The unification of knowledge. A comparison of the chief philosophical and religious systems of the world made with a view to reducing the categories of thought, or the most general terms of existence to a single principle,. This book, "The religion of philosophy. or, The unification of knowledge", by Raymond S. Perrin, is a replication of a book originally published before 1885. 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.