The goal of a private company is, first, zero to one: Get past the product-market fit; figure out whether people actually care about what you're trying to build and someone will pay you money for that. That's the zero to one problem.

None of us are going to fix governance; it may just be beyond repair. But you can fix capitalism. And the reason you can fix capitalism - It is inherently numerical, and as a result, it is inherently objective. It can be done objectively.

Your job as a smart investor is to separate the facts and the news from the fiction and the noise.

When I left Facebook, I left an enormous amount of equity on the table. I thought, 'I don't want to be a slave to money. I want to be a slave to something bigger: an ambition, a goal.'