... if you talk to say any of the first 40 or 50 employees, they all feel like they were a part of the founding of the company.

It's difficult to get large groups of people, to the extreme levels of focus and productivity that you need, for a startup to be successful.

Startups are very hard no matter what you do; you may as well go after a big opportunity.

Good startups usually take 10 years.

What being a founder means, is signing up for this years long grind on execution - and you can't outsource this.

Be suspicious of any work that is not building product or getting customers. It's easy to get sucked into an infrastructure rewrite death spiral.

The best founders work on things that seem small but they move really quickly. They get things done really quickly.