Now answer me another question.

Is it possible that your father should have the paper ?" Nina paused a moment, and then she replied with eagerness, "Quite impossible.

I am sure that he knows nothing of it more than you know." When she had so spoken they walked in silence for a few yards, but Anton did not at once reply to her.

"You do not think that father is keeping anything from you, do you," said Nina.
"I do not know," said the Jew.

"I am not sure." "You may be sure.