The 'Billionaire' song is what my kids tease me with. They sing it to me. It's funny.

Our work in global health is about things like cutting childhood deaths, and every year we continue to make progress there.

In 1990, one in 10 children died before the age of five. That's now down to one in 20, and vaccines were the single biggest factor in that. Had it stayed at 10 percent, 122 million more children would have died.

Virtually every company will be going out and empowering their workers with a certain set of tools, and the big difference in how much value is received from that will be how much the company steps back and really thinks through their business processes, thinking through how their business can change, how their project management, their customer feedback, their planning cycles can be quite different than they ever were before.

If we [Microsoft Corporation] weren't still hiring great people and pushing ahead at full speed, it would be easy to fall behind and become a mediocre company. Fear should guide you, but it should be latent. I have some latent fear. I consider failure on a regular basis.

Investing in innovation, which was my broad theme talking to [Warren Buffett ], that included health vaccines, it included energy and education.

Thanks to quality education, Israel is one of the most advanced countries in the world .. Israel is advancing in high-tech even more than other developed countries.