Quotation from: Secret Adversary

Written by: Agatha Christie

"You damned little fool! Do you think I don't know? No, don't
answer. If you struggle or cry out, I'll shoot you like a dog."

The rim of steel pressed a little harder against the girl's
temple.

"Now then, march," went on Mrs. Vandemeyer. "This way--into my
room. In a minute, when I've done with you, you'll go to bed as I
told you to. And you'll sleep--oh yes, my little spy, you'll
sleep all right!"