Brain of Bodhisattvab Is it possible to live happily in Buddhism without becoming a Buddhist? b The recent book "Brain of the Naturalized Buddhism", which was first published in 2011, The book is a book that goes beyond the realm of Buddhism. Buddhism naturalized by the author as a subtitle is Buddhism that parentheses the doctrine of Buddhism that requires special religious beliefs such as reincarnation, reincarnation, Without such surreal doctrine, Buddhism can be regarded as a good philosophy and ethics in the field of ontology, epistemology, and value theory. With this premise, the author proposes the title of the book as Buddhism as a Natural Philosophy.