"It is not fiction."
"Well, it isn't fact."
The professor drank his tea, looking at his host narrowly over the cup.
"Do you say such an experience as that described in my sermon is impossible?"
"Do you say it is possible?"
"If I were to say so would you believe me?"
"Certainly not, unless I could make an investigation and personally satisfy myself that what you said was true. You wouldn't expect anything else, I'm sure."
"You can believe nothing on the mere word of another?"
"Very little. I am an investigator. I look for proof."
"With your pencil in one hand, your note-book in the other."