Learning is the essential unit of progress for startups.

There is much that public policy can do to support American entrepreneurs. Health insurance reform will make it easier for entrepreneurs to take a chance on a new business without putting their family's health at risk. Tort reform will make it easier to take prudent risks on new products in a number of sectors.

In my first start-up, I had an initial advertising budget of $5 per day total. That would buy us 100 clicks per day. At $5 per day, marketing people scoffed and said that is too small to matter. But if you think about it, to an engineer, 100 real humans everyday giving your product a try means you can really start improving.

A Start Up is an institution designed to thrive in the soil of extreme uncertainty

Innovation is a bottoms-up, decentralized, and unpredictable thing, but that doesn’t mean it cannot be managed.

The only person who can put you out of business, in the early days, is yourself.

When blame inevitably arises, the most senior people in the room should repeat this mantra: if a mistake happens, shame on us for making it so easy to make that mistake.