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

When you're gone would you rather have your gravestone say, 'He never missed a meeting.' Or one that said, 'He was a great father.'

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.

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

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

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

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