The most durable thing in writing is style, and style is the most valuable investment a writer can make with his time. It pays off slowly, your agent will sneer at it, your publisher will misunderstand it, and it will take people you have never heard of to convince them by slow degrees that the writer who puts his individual mark on the way he writes will always pay off.

The keynote of American civilization is a sort of warm-hearted vulgarity. The Americans have none of the irony of the English, none of their cool poise, none of their manner. But they do have friendliness. Where an Englishman would give you his card, an American would very likely give you his shirt.

Without magic, there is no art. Without art, there is no idealism. Without idealism, there is no integrity. Without integrity, there is nothing but production.

The tragedy of life, Howard, is not that the beautiful die young, but that they grow old and mean. It will not happen to me.

You don't get rich, you don't often have much fun. Sometimes you get beaten up or shot at or tossed into the jail house. Once in a long while you get dead. Every other month you decide to give it up and find some sensible occupation while you can still walk without shaking your head. Then the door buzzer rings and you open the inner door to the waiting room and there stands a new face with a new problem, a new load of grief, and a small piece of money.

He snorted and hit me in the solar plexus. I bent over and took hold of the room with both hands and spun it. When I had it nicely spinning I gave it a full swing and hit myself on the back of the head with the floor.

Love interest nearly always weakens a mystery because it introduces a type of suspense that is antagonistic to the detective's struggle to solve the problem. It stacks the cards, and in nine cases out of ten, it eliminates at least two useful suspects. The only effective love interest is that which creates a personal hazard for the detective - but which, at the same time, you instinctively feel to be a mere episode. A really good detective never gets married.