Yeah, I became a successful entrepreneur... Eventually

Breakthrough ideas usually come from guys who look like they're hallucinating

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

Hire sales people who are really smart problem solvers, but lack courage, hunger and competitiveness, and your company will go out of business.

Leadership is hard to train on.

The bigger you get, the harder this gets because the more aggressive the people working for you are.

A key thing in being a leader is you’ve got to pause yourself.