I really believe that the single hardest thing in business is building a company that does repeatable innovation... and just has this ongoing culture of excellence as it grows.

If you want something in a deal, just ask for it.

... but actually it sucks to have a lot of employees, and you should be proud of how few employees you have.

Good startups usually take 10 years.

The startups that do well are the ones that are working all the time.

Once your product is working, switch from not caring about this to caring about this a little bit.

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