There's nothing that will bring realism into your world as quickly as realizing that you're out of cash.

Workaholics don't actually accomplish more than nonworkaholics. They may claim to be perfectionists, but that just mean they're wasting time fixating on inconsequential details instead of moving on to the next task.

If you can't figure out how to make money on three billion in revenue, when exactly will the profit magic be found? Ten billion? Fifty billion?

There's nothing that will bring realism into your world as quickly as realizing that you're out of cash.

Facebook has been around for seven years. It has 500 million users. If you can't figure out how to make money off half a billion people in seven years, I'm going to go out on a limb and say you're unlikely to ever do.

Before you know it, you're half-way done with your idea and you've accidentally learned how to do it too. In short, you start with little bit of something real and make it tick. Then you make it tock.

A fool and his money will soon be departed applies equally to venture capitalists as it does to everyone else.