“Good design keeps the user happy, the manufacturer in the black and the aesthete unoffended.”

“One would think a writer would be happy here -- if a writer is ever happy anywhere.”

“you are responsible for you own happiness”

“Happiness. It comes onunexpectedly. And goes beyond, really,any early morning talk about it.”

“It was about eleven o'clock in the morning, mid October, with the sun not shining and a look of hard wet rain in the clearness of the foothills. I was wearing my powder-blue suit, with dark blue shirt, tie and display handkerchief, black brogues, black wool socks with dark little clocks on them. I was neat, clean, shaved and sober, and I didn't care who knew it. I was everything the well-dressed private detective ought to be. I was calling on four million dollars.”

“A good title is the title of a successful book.”

“A really good detective never gets married.”