Brilliant thinking is rare, but courage is in even shorter supply than genius.

What important truth do very few people agree with you on?

The zero-sum world [the movie The Social Network] portrayed has nothing in common with the Silicon Valley I know, but I suspect it's a pretty accurate portrayal of the dysfunctional relationships that dominate Hollywood.

The debt austerity would not be problems if we had technological progress. If you doubled the debt in the U.S., and the size of the economy doubled because of technological progress and growth, the two would roughly cancel out and it would all be a totally manageable situation.

If people were super-optimistic about technology there would be no reason to be pessimistic about the future.

Forget startup companies. The next frontier is startup countries.

If they don't go to law school, bright college graduates head to Wall Street precisely because they have no real plan for their careers.