human
But this is unthinkable, Professor. He was a comrade of ours. He was here with us all the time. He--you must be mistaken.
gpt
Professor Brierly, you will have to give a very good reason for your astounding charge. You will have to remove every reasonable doubt. I am not talking in the legal sense now. This man was our comrade. I should as soon believe that I did this impossible, this terrible thing myself.
human
I understand. That is why I was reluctant to make the charge sooner, when we discussed it the other day. Some of you urged me, remember, to make a guess, which I could have done then. This terrible thing that happened this morning is something I could hardly foresee.