Products a start-up builds are really experiments…Learning about how to build a sustainable business is the outcome of those experiments [which follow] a three-step process: Build, measure, learn.” “[A startup is] … an organization dedicated to creating something new under conditions of extreme uncertainty.

We must learn what customers really want, not what they say they want or what we think they should want.

If we stopped wasting people's time, what would they do with it?

When Steve Jobs and Steve Wozniak created Apple computer in a garage in Palo Alto, it heralded the beginning of the PC revolution that ultimately dealt a death-blow to dozens of older companies.

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

If you cannot fail, you cannot learn.

Most companies are busy making their products worse, not better. Updating is almost always a disaster.