A brand is simply trust.

Ask for feedback from people with diverse backgrounds. Each one will tell you one useful thing. If you're at the top of the chain, sometimes people won't give you honest feedback because they're afraid. In this case, disguise yourself, or get feedback from other sources.

You have to be burning with "an idea, or a problem, or a wrong that you want to right." If you're not passionate enough from the start, you'll never stick it out.

If I had never dropped in on that single course in college, the Mac would have never had multiple typefaces or proportionally spaced fonts. And since Windows just copied the Mac, it's likely that no personal computer would have them.

What had been the focus of my entire adult life was gone, and it was devastating. I didn't really know what to do for a few months. I felt that I had let the previous generation of entrepreneurs down. I was a very public failure.

One: demonstrations always crash. And two: the probability of them crashing goes up exponentially with the number of people watching.

The most corrosive piece of technology that I've ever seen is called television - but then, again, television, at its best, is magnificent.