Reading is good, action is better.

This is one of the most important lessons of the scientific method: if you cannot fail, you cannot learn.

Sustainable growth is characterized by one simple rule: New customers come from the actions of past customers.

Entrepreneurs can't forecast accurately, because they are trying something fundamentally new. So they will often be laughably behind plan - and on the brink of success.

Learning is the essential unit of progress for startups.

Vanity metrics are the numbers you want to publish on TechCrunch to make your competitors feel bad.

The only way to win is to learn faster than anyone else.