When I talk to entrepreneurs today, I feel like the grandfather who was in the Civil War.

In the startup world, you're either a genius or an idiot. You're never just an ordinary guy trying to get through the day

A lot of things you want to do as part of daily life can now be done over the Internet.

Ten to 20 years out, driving your car will be viewed as equivalently immoral as smoking cigarettes around other people is today.

We call it the 'Rule of Crappy People'. Bad managers hire very, very bad employees, because they're threatened by anybody who is anywhere near as good as they are.

There's always more demands than there's time to meet them, so it's constantly a matter of trying to balance them

Big breakthrough ideas often seem nuts the first time you see them.