One misconception is that entrepreneurs love risk. Actually, we all want things to go as we expect. What you need is a blind optimism and a tolerance for uncertainty.

You must maximize the probability that someone shows up at front door of your store or website and ends up with a solved problem.

You can’t focus on what everyone else is doing — it has to be about what’s really broken and what you can do to fix it.

Learn early, learn often.

We've had customers from the beginning. The reason people use Dropbox is because they really love it. We think more about who is going to be competing with what we are going to be doing, not with where we started.

The happiest and most successful people I know don't just love what they do, they're obsessed with solving an important problem, something that matters to them.

Reading a book about management isnt going to make you a good manager any more than a book about guitar will make you a good guitarist, but it can get you thinking about the most important concepts.