He believed that you were either selling or being sold: if you weren’t selling a customer on your product then the customer was selling you on why sh… - Ben Horowitz

The important thing about mobile is, everybody has a computer in their pocket. The implications of so many people connected to the Internet all the time from the standpoint of education is incredible.

Thinking about what might happen if we ran completely out of money — laying off all the employees that I’d so carefully selected and hired, losing all my investors’ money, jeopardizing all the customers who trusted us with their business — made it difficult to concentrate on the possibilities. Marc Andreessen attempted to cheer me up with a not-so-funny-at-the-time joke: Marc: “Do you know the best thing about startups?” Ben: “What?” Marc: “You only ever experience two emotions: euphoria and terror. And I find that lack of sleep enhances them both.

Culture can feel abstract and secondary when you pit it against a concrete result that’s right in front of you. Culture is a strategic investment in the company doing things the right way when you are not looking.