Accounts are not quite settled between us," said she, with a passion that equaled my own. "I can love, and I can hate. You had your choice. You chose to spurn the first; now you must test the other.

We balance probabilities and choose the most likely. It is the scientific use of the imagination.

Might I trouble you to open the window, for chloroform vapour does not help the palate.

The grand thing is to be able to reason backwards.

I have heard, Mr. Holmes, that you can see deeply into the manifold wickedness of the human heart.

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

There are always some lunatics about. It would be a dull world without them.