Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.

Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me.

Research is an organized method for keeping you reasonably dissatisfied with what you have.

The simplest way to assure sales is to keep changing the product the market for new things is indefinitely elastic. One of the fundamental purposes of advertising, styling, and research is to foster a healthy dissatisfaction.

Great steps in human progress are made by things that don't work the way philosophy thought they should. If things always worked the way they should, you could write the history of the world from now on. But they don't, and it is those deviations from the normal that make human progress.

People are very open-minded about new things - as long as they're exactly like the old ones.

If I have had any success, it's due to luck, but I notice the harder I work, the luckier I get.