This book is an exercise in philosophical criticism. What I criticize are some variations on a recurrent theme in religious thought: the theme that faith and reason are so disparate that faith is not undermined, but strengthened, if we judge that reason can give it no support. The common name for this view is Fideism. Those representatives of it that I have chosen to discuss do more, however, than insist on keeping faith free of the alleged contaminations of philosophical argument. They consider the case for Fideism to be made even stronger if one judges that reason cannot give us truth or...