If you cannot fail, you cannot learn.

Learning is the essential unit of progress for startups.

We need to reengineer companies to focus on figuring out who the customer is, what's the market and what kind of product you should build.

Sustainable growth is characterized by one simple rule: New customers come from the actions of past customers.

As an entrepreneur, I knew that if my company failed, I could always try again. So I often felt that the only real risk of true financial ruin came from the possibility of a serious illness that either exceeded my insurance plans lifetime limits, or was not covered due to rescission.

When blame inevitably arises, the most senior people in the room should repeat this mantra: if a mistake happens, shame on us for making it so easy to make that mistake.

Entrepreneurship is not really building a product, it's not having an idea, it's not being in the right place at the right time. It's fundamentally company building.