I rose to go, but Holmes caught me by my wrist and pushed me back into my chair. 'It is both, or none,' said he. 'You may say before this gentleman anything which you may say to me.

I should be very much obliged if you would slip your revolver into your pocket. An Eley's No. 2 is an excellent argument with gentlemen who can twist steel pokers into knots. That and a tooth-brush are, I think, all that we need.

There are fifty who can reason synthetically for one who can reason analytically.

The larger crimes are apt to be the simpler, for the bigger the crime, the more obvious, as a rule, is the motive.

I cannot live without brainwork. What else is there to live for? Stand at the window here. Was ever such a dreary, dismal, unprofitable world? See how the yellow fog swirls down the street and drifts across the duncoloured houses. What could be more hopelessly prosaic and material?

There's an east wind coming all the same, such a wind as never blew on England yet. It will be cold and bitter, Watson, and a good many of us may wither before its blast. But it's God's own wind none the less and a cleaner, better stronger land will lie in the sunshine when the storm has cleared.

Dogmas of every kind put assertion in the place of reason and give rise to more contention, bitterness, and want of charity than any other influence in human affairs.