"We won't talk," he said.
"No. We'll give the—whatever it is every chance."
They were silent.
Presently—it might have been a quarter of an hour—Julian said suddenly:
"Do you feel anything?"
"'M—no," Valentine answered, rather doubtfully.
"Sure?"
"I think so."
"You can't merely think you are sure, old chap."
"Well, then—yes, I'll say I am sure."