Be persistent, and hang on to your vision. And at the same time, be flexible.

When you have an idea, a classic entrepreneurial impulse is to hold the idea close to you and not tell people and that's almost always a mistake.

Social networks do best when they tap into one of the seven deadly sins. Facebook is ego. Zynga is sloth. LinkedIn is greed.

I don't normally think of like most successful moments, because like most entrepreneurs, I tend to think that however how high of a mountain I've climbed, I'm always looking at the next mountain to climb.

The metaphor that I frequently use for entrepreneurship is jumping off a cliff and assembling an airplane plane on the way down.

Democracy is always frustrating.

There's an ability to learn & adapt, an ability to constantly have a vision that's driving you, but to be taking input from all sources.