There's been so much corruption and so much cronyism in the taxi industry and so much regulatory capture, that if you ask for permission upfront for something that's already legal, you'll never get it.

At Uber, we say, 'Always be hustling.' Even if you are an introvert and you haven't got hustle in you, you better get a co-founder who does. And if you haven't got enough hustle to find a co-founder who's got hustle, it's going to be tough. You've got to have a little hustle in you.

You can't control who you fall in love with.

I think the stress will kill me. I think it will be the stress.

Based on my experience, I would say that rather than taking lessons in how to become an entrepreneur, you should jump into the pool and start swimming.

We want transportation as reliable as running water.