"You don't mean to say you've read this horrible stuff?"
"Every word of it. I had to."
"You had to?"
"I wanted to know about heredity."
"And insanity?"
"That's part of it. I wanted to see if there was anything in it.
Heredity, I mean. Do you think there is?"
She kept her eyes on him. He was still smiling.
"My dear child, you know as much as I do. Why are you worrying your poor little head about madness?"
"Because I can't help thinking I may go mad."
"I should think the same if I read Maudsley. I shouldn't be quite sure whether I was a general paralytic or an epileptic homicide."