You have to save the vision speeches for when the company is winning. When you're not winning, you just have to get momentum back.

In YC experience, 2 or 3 co-founders seems to be about perfect.

M&A negotiations feel really fun. This is one of the biggest killers of companies, is they entertain acquisition conversations.

Employees will only add more value over time.

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

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

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.