Failure is an option here. If things are not failing, you are not innovating enough.

The tough thing is figuring out what questions to ask, but […] once you do that, the rest is really easy.

I wouldn't say I have a lack of fear. In fact, I'd like my fear emotion to be less because it's very distracting and fries my nervous system.

Entrepreneurship is like eating glass and walking on hot coals at the same time

There are really two things that have to occur in order for a new technology to be affordable to the mass market. One is you need economies of scale. The other is you need to iterate on the design. You need to go through a few versions.

If something's important enough, you should try. Even if you - the probable outcome is failure.

If you had to buy a new plane every time you flew somewhere, it would be incredibly expensive.