I felt Holmes's hand steal into mine and give me a reassuring shake. - Watson

'It is my duty to warn you that it will be used against you,' cried the Inspector, with the magnificent fair play of the British criminal law.

I think there are certain crimes which the law cannot touch, and which therefore, to some extent, justify private revenge.

I suppose I shall have to compound a felony as usual.

There are heroisms all round us waiting to be done.

Like all Holmes' reasoning, the thing seemed simplicity itself when it was once explained. Dr. Watson, speaking of Sherlock Holmes.

I say, Watson,’ he whispered, ‘would you be afraid to sleep in the same room as a lunatic, a man with softening of the brain, an idiot whose mind has lost its grip?’ ‘Not in the least,’ I answered in astonishment. ‘Ah, that’s lucky,’ he said, and not another word would he utter that night.