For Africa to move forward, you've really got to get rid of malaria.

Lectures should go from being like the family singing around the piano to high-quality concerts.

Business isn't that complicated. I wouldn't want to put it on my business card.

Microsoft went into orbit because it had a booster rocket attached to it called IBM.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

You have the refugee crisis triggered by Syria. That's got a lot of costs associated with it. Domestically, budgets are incredibly tight because the economy's not generating the growth that makes for easy trade-offs.

If your goal is to make the world a better place, one thing you can do is pick a specific challenge that you really care about. Then, learn as much as you can about it and try to volunteer your time to help an organization that is working in this area. While you're doing that, look for creative new ways to use technology to tackle parts of the problem that you come in contact with.