Volatility and length, that's the value on an option. 10 years on a startup stock, that's a big valuable thing.

You can take somebody's job, you have to take their job, but you don't have to take their dignity.

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

You're better off being The Beatles than The Monkees, as a startup.

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

The important thing about mobile is, everybody has a computer in their pocket. The implications of so many people connected to the Internet all the time from the standpoint of education is incredible.

A CEO needs great intelligence and great courage. And I always found my courage was tested more.