There is nothing more deceptive than an obvious fact.

It is a capital mistake to theorize before one has data.

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

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.

Really, Watson, you excel yourself," said Holmes, pushing back his chair and lighting a cigarette. "I am bound to say that in all the accounts which you have been so good as to give of my own small achievements you have habitually underrated your own abilities. It may be that you are not yourself luminous, but you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it. I confess, my dear fellow, that I am very much in your debt.

Steel True, Blade Straight.

Anything seems commonplace, once explained.