Every time I act on a fear, I feel disappointed in myself. I have a lot of fear. If I can quit all fear in my life and all guilt, then I tend to be much, much more living up to my standards. I've never seen a person fail if they didn't fear failure.

We humans usually feel that we are the best at everything we do, that we can safely drive ourselves. But tens of thousands of people die every year. We need to be open to having technology assist us, to find ways in which technology makes us safer.

That's what Google taught me. Aim higher. Udacity is my playground - to radically experiment and find out. I've seen the light.

Question every assumption and go towards the problem, like the way they flew to the moon. We should have more moon shots and flights to the moon in areas of societal importance.

At the end of the day, the true value proposition of education is employment.

I have a really deep belief that we create technologies to empower ourselves. We've invented a lot of technology that just makes us all faster and better, and I'm generally a big fan of this. I just want to make sure that this technology stays subservient to people. People are the number one entity there is on this planet.

The Jetsons had them in the 1960s. They were the defining element of 'Knight Rider' in the 1980s: cars that drive themselves. Self-driving cars appear in countless science fiction movies. By Hollywood standards, they are so normal we don't even notice them. But in real life, they still don't exist. What if you could buy one today?