When I was four or five years old, my grandfather showed me how to build things, paint, saw. Through years of fixing bikes, repairing lawn mowers, I learned how things work.

You need to set near-term milestones. Put the assumptions down on paper, and make it to your vision or ultimate product. Your team has to understand where they're going. Your partners need to understand where they're going.

There are two different types of prototyping. First, the gut sense. You know how far you can take it. Second, you need experts to figure out whether or not it is attainable.

Tony Fadell Quotes