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

If you invest in Microsoft or Oracle, or a number of other companies for that matter, you're fundamentally making a bet that there's going to be no innovation. So an investment in Microsoft is a bet that the operating system is going to stay the same, it won't be replaced by Linux, Google Docs, or a mobile platform like iOS or Android.

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

All happy companies are different: each one earns a monopoly by solving a unique problem. All failed companies are the same: they failed to escape competition.

A company does better the less it pays the CEO.

There are only two kinds of businesses in this world: Businesses in crazy competition, and businesses that are one of a kind.

If you have technological progress, that will encourage more capitalist system. On the other hand, if you don't, if things are stalled, you end up with much more of a zero sum type thing, where there's no progress and basically everybody's gain is somebody else's loss.