For Hamlet, greatness means willingness to fight for reasons as thin as an eggshell: anyone would fight for things that matter; true heroes take their personal honor so seriously they will fight for things that don’t matter.

Great tech opportunities happen only once.

It is sort of a bit of a caricature of capitalism, that it's always this zero-sum game where you have winners and losers. Silicon Valley, the technology industry at its best, creates a situation where everybody can be a winner.

All Rhodes Scholars had a great future in their past.

Darwinism may be a fine theory in other contexts, but in startups, intelligent design works best.

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

Twitter is hard to evaluate. They have a lot of potential. It's a horribly mismanaged company — probably a lot of pot-smoking going on there. But it's such a solid franchise it may even work with all that.