When you receive criticism from well-meaning people, it pays to ask, ‘Are they right?’ And if they are, you need to adapt what they’re doing. If they’re not right, if you really have conviction that they’re not right, you need to have that long-term willingness to be misunderstood. It’s a key part of invention.

Effective process is not bureaucracy. Bureaucracy is senseless process.

Percentage margins don't matter. What matters always is dollar margins: the actual dollar amount. Companies are valued not on their percentage margins, but on how many dollars they actually make, and a multiple of that.

If you double the number of experiments you do per year you're going to double your inventiveness.

Do something you're very passionate about, and don't try to chase what is kind of the "hot passion" of the day.

We're not competitor obsessed, we're customer obsessed. We start with the customer and we work backwards.

I never worked on the school newspaper.