‘Not at all,’ replied the priest calmly; ‘it’s not the supernatural part I doubt. It’s the natural part. I’m exactly in the position of the man who said, ‘I can believe the impossible, but not the improbable.’’ ‘That’s what you call a paradox, isn’t it?’ asked the other. ‘It’s what I call common sense, properly understood,’ replied Father Brown. ’It really is more natural to believe a preternatural story, that deals with things we don’t understand, than a natural story that contradicts things we do understand.