I would say, as an entrepreneur everything you do - every action you take in product development, in marketing, every conversation you have, everything you do - is an experiment. If you can conceptualize your work not as building features, not as launching campaigns, but as running experiments, you can get radically more done with less effort.

If the plan is to see what happens, a team is guaranteed to succeed - at seeing what happens - but won't necessarily gain validated learning - If you cannot fail, you cannot learn.

If you can’t out iterate someone who is trying to copy you, you’re toast anyway.

Nowadays people talk about PayPal's founders as prescient geniuses who would inevitably change the world. It was, however, not so obvious that PayPal would taste its first major success by helping people sell Beanie Babies on eBay. But they had a vision, a hope, and the perseverance to try multiple iterations until they got it right.

The United States is locked in a new arms race for that most precious resource - the future entrepreneurs upon whom economic growth depends. Substantial research shows that immigrants play a key role in American job creation.

The only person who can put you out of business, in the early days, is yourself.

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.