"What makes you suppose I know?" "Because everybody knows it..." "That's just where you are mistaken; I did not know it, though I had guessed it was so.

" "Well, now you know it.

" "All I knew was that something had happened that made her dreadfully miserable, and that she begged me never to speak of it.

And if she would not tell me, she would certainly not speak of it to anyone else.