There's at least a hundred times more people with great ideas than people that are willing to put in the effort to execute them well.

You should be able to describe any employee as an animal at what they do.

Even though plans themselves are worthless, the exercise of planning is very valuable and totally missing in most startups today.

Most things are not as risky as they seem.

Firing people is one of the worst parts of running a company. Actually in my own experience, I think it is the worst.

You only get points when you make something the market wants. So if you work really hard on the wrong things, no one will care.

A single mediocre hire in the first five will often in fact kill a startup.