Science is simply a powerful way of understanding what's real and what isn't, what's true and what's not. It can help us determine what works, what doesn't, for whom, and under what circumstances.

Preventing cardiovascular disease can help free up critical resources for treating HIV/AIDS and other illnesses.

When the U.S. claims the right to invade any country unilaterally and then defines a country like Iran or North Korea as 'evil,' then it is a rational response for these countries to develop nuclear weapons as the only military deterrent to invasion. We create what we most fear.

Too much power in any institution tends to stifle innovation.

It's just astonishing to me, but not surprising in some respects, how dependent we are on the somewhat meaningless and certainly ephemeral feedback that we get from strangers on the Internet. I think that's a dangerous dependence to develop.

I dream of a not-so-distant future in which every woman can wake up, decide what she'll wear from the millions of styles in her digital dream closet, and have her outfit magically delivered to her before she finishes her coffee.

In the past, much power and responsibility over life and death was concentrated in the hands of doctors. Now, this ethical burden is increasingly shared by the builders of AI software.

We are building technology to keep up with what's happening in the world. It's transforming the way people are working. We're bringing the enterprise to the world.