In life, you don't have a level of confrontation and the nonsense you run into when you're a CEO. CEOs aren't born.

Groupon looked like a very high valuation, but any investment in a great company at any stage is almost always a good investment.

Yeah, I became a successful entrepreneur... Eventually

Nothing motivates a great employee more than a mission that's so important that it supersedes everyone's personal ambition.

When you're making a critical decision, you have to understand how it's going to be interpreted from all points of view. Not just your point of view, not just the person you're talking to, but the people that aren't in the room. Everybody else.

Business ends up being very dynamic and situational.

You don't need every investor to believe that you can succeed. You only need one.