“The 10% between 90% done to 100% done takes most of the time, causes most of the stress, but is all of the value.”

Innovation in tech favors the naive and the stubborn. If you are too rational you won’t tackle problems that others once failed at.

Tip: Take the stodgiest, oldest, slowest moving industry you can find. And build amazing software for it.

I’m certainly not into money and prestige. For me there is simply nothing more exciting than people involved in the creation of great products. That is what drives me.

Sometimes things are the way they are and can’t be changed, other times it’s because no one ever tried. Your job is to find the latter.

Do things that incumbents can’t or won’t do because it’s economically or technically infeasible.

If you’re waiting for encouragement from others, you’re doing it wrong. By the time people think an idea is good, it’s probably too late.

If every customer is using your product “correctly”, you’ll never learn anything interesting about what to do next.

The only barrier to entry you can create is to consistently build a great product.

My workday begins around 11 A.M., with a cup of black coffee in each hand. If I had more hands, there would be more coffee.

When you’re doing something you’re passionate about, stress becomes a featurenot a bug.

Entrepreneurship: 10% coach, 20% player, 30% cheerleader, 40% waterboy.

I think I’m the kind of person who would be very difficult to employ – I’m pretty annoying, but driven.

The best technology is aimed far enough in the future that it stands out, but close enough to the present that it blends in.

I don’t use many apps. I use naps.

Better to be too early and have to try again, than be too late and have to catch up.

Your product should sell itself, but that does not mean you don’t need salespeople.