“Where there is no imagination, there is no horror.”

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

“See the value of imagination. It is the one quality which Inspector Gregory lacks. We imagined what might have happened, acted upon the supposition, and find ourselves justified. Let us proceed.”

“There is nothing more stimulating than a case where everything goes against you.”

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

“A sandwich and a cup of coffee, and then off to violin-land, where all is sweetness and delicacy and harmony.”

“Far away on the path we saw Sir Henry looking back, his face white in the moonlight, his hands raised in horror, glaring helplessly at the frightful thing which was hunting him down. But that cry of pain from the hound had blown all our fears to the winds. If he was vulnerable he was mortal, and if we could wound him we could kill him. Never have I seen a man run as Holmes ran that night.”