A man always finds it hard to realize that he may have finally lost a woman's love, however badly he may have treated her.

Do you know anything on earth which has not a dangerous side if it is mishandled and exaggerated?

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.

It is not really difficult to construct a series of inferences, each dependent upon its predecessor and each simple in itself. If, after doing so, one simply knocks out all the central inferences and presents one's audience with the starting-point and the conclusion, one may produce a startling, though perhaps a meretricious, effect.

So swift, silent and furtive were his movements like those of a trained bloodhound picking out a scent, that I could not but think what a terrible criminal he would have made had he turned his energy and sagacity against the law instead of exerting them in its defense. -Dr. Watson, The Sign of the Four

The whole force of the State is at your back if you should need it. I'm afraid that all the queen's horses and all the queen's men cannot avail in this matter.

Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.