Great entrepreneurial DNA is comprised of leadership, technological vision, frugality, and the desire to succeed.

Greatest risk is not development of new product, but development of customers and markets

Unless you have tested the assumptions in your business model first, outside the building, your business plan is just creative writing.

A startup is a temporary organization designed to search for a repeatable and scalable business model.

The world is run by those who show up not those who wait to be asked.

There are no facts inside the building so get the hell outside.

Using the Product Development Waterfall diagram for Customer Development activities is like using a clock to tell the temperature. They both measure something, but not the thing you wanted.

Startups don’t fail because they lack a product; they fail because they lack customers and a profitable business model.

Build and they will come’ is not a strategy, it’s a prayer.

The company that consistently makes and implements decisions rapidly gains a tremendous, often decisive, competitive advantage.

In a startup no facts exist inside the building, only opinions.

Democracy is more vindictive than cabinets, the wars of peoples will be more terrible than those of kings.

...a passing face together with his grief turned you into a weeping Madonna...

Facebook also has a fundamental characteristic that has proven key to its appeal in country after country—you only see friends there.

I cannot call somebody ‘hard-working’ knowing only that they read and write. Even if ‘all night long’ is added, I cannot say it – not until I know the focus of all this energy.

My own mind is my own church.

Trust in what you love, continue to do it, and it will take you where you need to go.

Meaning that if you live in the moment, so to speak, we play today, and tonight we're done.

The English winter - ending in July to recommence in August

Lampoon was a very collegial operation, though "collegial" usually means "friendly" and it wasn't that friendly. But we were tight, like a family.

There is a limit to what you can do in politics.