If you compromise in the first five, ten hires it might kill the company.

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

A small communication breakdown is enough for everyone to be working on slightly different things. And then you loose focus.

You can create value with breakthrough innovation, incremental refinement, or complex coordination. Great companies often do two of these. The very best companies do all three.

If someone is choosing between joining McKinsey or your startup it's very unlikely they're going to work out at the startup.

Losing focus is another way that founders get off track.

... for the top twenty most valuable YC companies, all of them have at least two founders.