“If you want to write good copy, you must be where the things are.”

“There are times, young fellah, when every one of us must make a stand for human right and justice, or you never feel clean again.”

“You will remember that I remarked the other day, just before we went into the very simple problem presented by Miss Mary Sutherland, that for strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.”“A proposition which I took the liberty of doubting.”“You did, Doctor, but none the less you must come round to my view, for otherwise I shall keep on piling fact upon fact on you until your reason breaks down under them and acknowledges me to be right.”

“Perchance you shall, fair sir," said Nigel, "for all that I have seen of you fills me with this desire to go further with you. It is in my mind that we might turn this thing to profit and to honour, for when Sir Robert has spoken to you, I am free to do with you as I will.”

“One must wait till it comes.”

“We must look for consistency. Where there is a want of it we must suspect deception.”

“There is a mystery about this which stimulates the imagination; where there is no imagination there is no horror.”