You certainly don't need to have everything figured out in the path from here to world domination.

You also want people who are maniacally determined and that is slightly different than having a risk tolerant attitude.

One of the biggest advantages that start ups have is execution speed and you have to have this relentless operating rhythm.

Firing people is one of the worst parts of running a company. Actually in my own experience, I think it is the worst.

You can basically change everything in a startup but the market.

Wait to start a startup until you come up with an idea that you feel compelled to explore.

If you're not in college and you don't know a cofounder, the next best thing I think is to go work at an interesting company.