Start marching forward, even when into the new and unknown, and don't be deterred by obstacles.

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.

Even though there is rampant unemployment in many parts of the world, there are still large numbers of jobs that are going unfilled because employers are having a hard time identifying people with the right set of skills.

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.

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.

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

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