It was possible that Thetford and he whose chamber conversation I had overheard were different persons.

I endeavoured in vain to ascertain their identity by a comparison of their voices.

The words lately heard, my remembrance did not enable me certainly to pronounce to be uttered by the same organs.
This uncertainty was of little moment.

It sufficed that Welbeck was designated by this appellation, and that therefore he was proved to be the subject of some fraudulent proceeding.

The information that I possessed it was my duty to communicate as expeditiously as possible.