An entrepreneur must deal with more uncertainty than a professional with a well-defined role.

When I was starting out, I followed along the path that seemed to be marked out for me - from high school to college to law school to professional life.

People don't want to believe that technology is broken. Pharmaceuticals, robotics, artificial intelligence, nanotechnology - all these areas where the progress has been a lot more limited than people think. And the question is why.

Credentials are critical if you want to do something professional. If you want to become a doctor or lawyer or teacher or professor, there is a credentialing process. But there are a lot of other things where it's not clear they're that important.

Technology has aided in serious advancements so that HIV detection tests now have near-perfect results. And those tests can detect HIV in the blood an average of nine to 11 days post-infection.

To bring out a new technology for consumers first, you just had a very long road to go down to try to find people who actually would pay money for something.

Everybody's like, 'Who hurt you? I'm like, 'The Internet.'

Science and technology are going to be the basis for many of the solutions to social problems.