High-quality education provided by MOOCs can be a significant factor in opening doors to opportunity—even among the college-educated.

Our approach to education has remained largely unchanged since the Renaissance: From middle school through college, most teaching is done by an instructor lecturing to a room full of students, only some of them paying attention.

There are so many people around the world in need of high-quality education and really starving for education.

Current ethos in Silicon Valley is that if you build a website that people keep coming back to and is changing the lives of millions, you can eventually make money.

If a student takes a Stanford computer class and a Princeton business class, it shows they are motivated and have skills. We know it has helped employees get better jobs.

The world is noisy and messy. You need to deal with the noise and uncertainty.

In many of our [online] courses, the median response time for a question on the question and answer forum was 22 minutes - which is not a level of service I have ever offered to my Stanford students.