When I was young I liked taking tests. I happened to be good at it. Certain subjects came easily, like math. All the science stuff. I would just read the textbooks in the first few days of class.

Your most unhappy customers are your greatest source of learning.

Philanthropy should be voluntary.

I'm not an educator ... I'm a learner.

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.

A breakthrough in machine learning would be worth ten Microsofts.

Billionaires should never be responsible for solving problems, because they're not the government.