How did he discover that his bedroom, and the bedroom of Mr.Glenthorpe's adjoining, opened on to a hillside which enabled him to get out of one bedroom and into the other ?" "Again, Mr.Glenthorpe probably told him--he seems to have been a garrulous old chap, according to all accounts.

Or Ronald may have looked out of his window when he was retiring, and seen it for himself.
I always look out of a bedroom window, and particularly if it is a strange bedroom, before getting into bed." "These are matters of opinion, and, though your explanations are possible ones, I do not agree with you.

We are looking at this case from entirely different points of view.

You believe that Ronald committed the murder, and you are allowing that belief to colour everything connected with the case.

I am looking at this murder as a mystery which has not yet been solved, and, without excluding the possibility that Ronald is the murderer, I am not going, because of the circumstantial evidence against him, to accept his guilt as a foregone conclusion until I have carefully examined and tested all the facts for and against that theory.
"The one outstanding probability is that Mr.Glenthorpe was murdered for his money.