I believe technology will continue to become more affordable and more people will have the chance to use it. This will help more people get medical care and a good education.

Giving money effectively is almost as hard as earning it in the first place.

My guideline has always been to avoid a focus on me personally. Not because of any deep, dark secrets. Rather just a sense of privacy.

Teaching's hard! You need different skills: positive reinforcement, keeping students from getting bored, commanding their attention in a certain way.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

Expectations are a form of first-class truth: If people believe it, it's true.

There is a difference between what technology enables and what historical business practices enable.