If the plan is to see what happens, a team is guaranteed to succeed - at seeing what happens - but won't necessarily gain validated learning - If you cannot fail, you cannot learn.

The hardest part is the grueling work of constantly being wrong.

Leadership requires creating conditions that enable employees to do the kinds of experimentation that entrepreneurship requires.

Learning is the essential unit of progress for startups.

I believe for the first time in history, entrepreneurship is now a viable career.

It doesn't matter if you call it a boom or a bubble. The startup business moves in cycles, and what goes up will eventually come down.

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.