"He thinks Miss Ridge is your sister, and she is not your sister.

And lastly, nobody on board knows these facts but the very bright woman who is talking to you at this moment." "But you are mistaken, madam," with a last attempt at assumption of dignity.
"Would I say this to you if I were not positive?
You think you are very clever; I'll admit that you are.

Your secrets came to me through an accident.

Do not think that I have pried into your affairs.

They really forced themselves upon me." "Tell me what you know, for Heaven's sake," cried the dismayed Ridgeway.
"I was in your sister's room earlier in the day.