“To let the brain work without sufficient material is like racing an engine. It racks itself to pieces.”

A fool always finds a greater fool to admire him.

Where there is no imagination, there is no horror.

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.

Jealousy is a strange transformer of characters.

So all life is a great chain, the nature of which is known whenever we are shown a link of it.

You have a grand gift for silence, Watson. It makes you quite invaluable as a companion.

It is more than possible; it is probable.

Education never ends, It is a series of lessons, with the greatest for the last.

It’s a wicked world, and when a clever man turns his brain to crime it is the worst of all.

There is nothing more deceptive than an obvious fact.

It is my business to know what other people do not know.

When we parted she was a free woman, but I could never again be a free man.

It is not that I think or believe, but that I know.

Never trust to general impressions, my boy, but concentrate yourself upon details.

Picnics are very dear to those who are in the first stage of the tender passion.

The chief proof of man’s real greatness lies in his perception of his own smallness.

If critics have problems with my personal life, it’s their problem. Anybody with half a brain would realize that it’s the charts that count.

What I appreciate is acknowledging to the audience that I think they have brains.

To count – really and truly to count – a woman must have goodness or brains.

It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all around us.

If I’m not writing about myself, then I sit down with people I really dig writing with and throw ’em out and see if something sticks. Their brain plus mine hopefully will make something interesting and cool and it will just snowball and we’ll have a unique song by the end of it.

The brain may take advice, but not the heart.

My two fingers on a typewriter have never connected with my brain. My hand on a pen does. A fountain pen, of course. Ball-point pens are only good for filling out forms on a plane.

Your brain has the power to modify your pain perception.