When you are starting a new business you don't want to go after giant markets. You want to go after small markets and take over those markets quickly.

In the '30s, the Keynesian stuff worked at least in the sense that you could print money without inflation because there was all this productivity growth happening. That's not going to work today.

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.

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.

Anti-aging is an extremely under-explored field.

If you think your initial market might be too big, it almost certainly is.

We might describe our world as having retail sanity, but wholesale madness.