You want to be the last company in a category. Those are the ones that are really valuable.

Had the people who started Facebook decided to stay at Harvard, they would not have been able to build the company, and by the time they graduated in 2006, that window probably would have come and gone.

Probably the most extreme form of inequality is between people who are alive and people who are dead.

As you craft a plan to expand to adjacent markets, don't disrupt: Avoid competition as much as possible.

There are still many large white spaces on the map of human knowledge. You can go discover them. So do it. Get out there and fill in the blank spaces. Every single moment is a possibility to go to these new places and explore them.

Monopoly is the condition of every successful business.

Of the six people who started PayPal, four had built bombs in high school.