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.

If you have a dream, you can spend a lifetime studying, planning, and getting ready for it. What you should be doing is getting started.

A lot of times it's an asset to not know everything about everything... A lot of really great, innovative things have happened when people just didn't know it wasn't supposed to be possible.

Surrounding yourself with inspiring people is now just as important as being talented or working hard.

Software touches all of these different things you use, and tech companies are revolutionizing all different areas of the world...from how we shop to how farming works, all these things that aren't technical are being turned upside down by software. So being able to play in that universe really makes a difference.

You become the average of the five people you hang out with.

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.