It was really phenomenal [Warren Buffett donation]. It grew out of the friendship that we had and the fact that his plan to have his wife run the foundation and give things away changed when she tragically died.

We’re no longer in the days where every program is super well crafted. But at the heart of the programs that make it to the top, you’ll find that the key internal code was done by a few people who really knew what they were doing.

If there was an epidemic, that definitely would make people accept vaccines. I wouldn't hope for that, of course, but if you wanted people to love vaccines, an epidemic would remind them how magical they are.

To be a good professional engineer, always start to study late for exams because it teaches you how to manage time and tackle emergencies.

Students deserve great teachers. And teachers deserve the support they need to become great.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

If something's expensive to develop, and somebody's not going to get paid, it won't get developed. So you decide: Do you want software to be written, or not?