AirBnB happened because Brian Chesky couldn't pay his rent, but did have some space.

If you have several ideas that all seem pretty good, work on the one that you think about, when you're not trying to think about work.

Later, you should learn to hire fast and scale up the company, but in the early days the goal should be not to hire. Not to hire.

Most investors are obsessed with the market size today and they don't think about how the market is going to evolve.

It's easy to move fast or be obsessed with quality, but the trick is you have to do both at a startup.

You should always know how you're doing against your metrics. You should always have a weekly review meeting every week.

Everyone starting a startup for the first time is scared, and everyone feels like a bit of an imposter.